Given y=(x+2)(2x2+3)3 find the equation of the tangent line to this function when x = 1. First find the point on this function and the slope of the tangent line to this function when x = 1. Next use these to find the equation of the tangent line to this function when x = 1. Finally, put this equation in slope intercept form. All work must be shown!!
Point on function when x = 1 is (1, _____)
Slope of tangent line when x = 1 is _____________
Equation of tangent line in slope intercept form is:
_______________________________________

Answers

Answer 1

The equation of the tangent line in slope-intercept form is y = 67x - 40.

To find the point on the function when x = 1, we simply substitute x = 1 into the given equation:

y = (1+2)(2(1)^2+3)^3 = 27

So the point on the function when x = 1 is (1,27).

To find the slope of the tangent line when x = 1, we take the derivative of the given function and evaluate it at x = 1:

y' = (2x^2+7x+6)(2x^2+3)^2 + 3(x+2)(4x^3+18x^2+18x)

y'(1) = (2(1)^2+7(1)+6)(2(1)^2+3)^2 + 3(1+2)(4(1)^3+18(1)^2+18(1))

= 67

So the slope of the tangent line when x = 1 is 67.

Using the point-slope form of the equation of a line, we can write the equation of the tangent line when x = 1 as:

y - 27 = 67(x - 1)

Simplifying, we get:

y = 67x - 40

So the equation of the tangent line in slope-intercept form is y = 67x - 40.

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Related Questions

Kground


Clear frame


2 Kyle spends a total of $44 for four sweatshirts. Each sweatshirt costs the same


amount of money.


Which bar model could be used to show this situation?

Answers

The answer is , to represent this situation in a bar model, we can use a Clear frame model.

To show the situation where Kyle spends a total of $44 for four sweatshirts, with each sweatshirt costing the same amount of money, the bar model that can be used is a Clear frame model.

Here's an explanation of the solution:

Given, that Kyle spends a total of $44 for four sweatshirts and each sweatshirt costs the same amount of money.

To find how much each sweatshirt costs, divide the total amount spent by the number of sweatshirts.

So, the amount that each sweatshirt costs is:

[tex]\frac{44}{4}[/tex] = $11

Thus, each sweatshirt costs $11.

To represent this situation in a bar model, we can use a Clear frame model.

A Clear frame model is a bar model in which the total is shown in a separate section or box, and the bars are used to represent the parts of the whole.

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Solve this taylor series f'(x)=3f(x) 10 and f(0)=2

Answers

The Taylor series of the function f(x) = f(0) + f'(0)x + (f''(0)x^2)/2! + (f'''(0)x^3)/3! + ... for f'(x) = 3f(x) and f(0) = 2 is:

f(x) = 2 + 6x + 9x^2 + (9/2)x^3 + (27/8)x^4 + ...

To find the Taylor series of f(x), we need to first find the derivatives of f(x) and evaluate them at x=0. Given that f'(x) = 3f(x) and f(0) = 2, we can start by finding the first few derivatives of f(x) and evaluating them at x=0:

f'(x) = 3f(x)

f''(x) = 3f'(x) = 9f(x)

f'''(x) = 9f'(x) = 27f(x)

f''''(x) = 27f'(x) = 81f(x)

Evaluating these derivatives at x=0, we get:

f(0) = 2

f'(0) = 3f(0) = 6

f''(0) = 9f(0) = 18

f'''(0) = 27f(0) = 54

f''''(0) = 81f(0) = 162

Now we can use these values to write out the Taylor series of f(x):

f(x) = f(0) + f'(0)x + (f''(0)x^2)/2! + (f'''(0)x^3)/3! + (f''''(0)x^4)/4! + ...

= 2 + 6x + (18x^2)/2! + (54x^3)/3! + (162x^4)/4! + ...

= 2 + 6x + 9x^2 + (9/2)x^3 + (27/8)x^4 + ...

Therefore, the Taylor series of f(x) is given by:

f(x) = 2 + 6x + 9x^2 + (9/2)x^3 + (27/8)x^4 + ...

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Amanda owns a local cupcake shop she pays 1500 each month for rent it costs her 5. 00 to make each batch of cupcakes she sells each batch for 20. 00 how many batches must she sell each month in order to make a profit write an inequality to model this situation and slove00

Answers

Let x be the number of batches Amanda must sell each month in order to make a profit.

The total cost that Amanda incurs to produce x batches of cupcakes in a month is:

Total cost = cost of each batch × number of batches= $5.00x

The total revenue that Amanda generates by selling x batches of cupcakes in a month is:

Total revenue = price of each batch × number of batches= $20.00x

To make a profit, Amanda's total revenue must be greater than her total costs.

Thus, we can write the inequality:

Total revenue > Total cost

$20.00x > $5.00x + $1,500

Simplifying the inequality,

we get:

$15.00x > $1,500

Dividing both sides by $15.00,

we get

x > 100

Therefore, Amanda must sell more than 100 batches of cupcakes each month to make a profit.

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consider the following four observations of a process of interest: 89 24 9 50 you are trying to decide whether an exponential or a uniform distribution would be a better fit for the data.a) Develop Q-Q plots for the exponential and uniform distributions, using the data to estimate any parameters you need
(NOTE: Your graphs do not need to be perfectly to scale, but they should be readable and you need to compute the graph value
b) Which distribution appears to be a better fit for your data and WHY?

Answers

To develop Q-Q plots for the exponential and uniform distributions, we first need to order the data in ascending order: 9, 24, 50, 89.

For the exponential distribution, we use the formula F(x) = 1 - e^(-λx) where λ is the rate parameter. We estimate λ using the sample mean, which is 43. We then compute the expected values of F(x) for each observation: 0.001, 0.16, 0.52, 0.83. We plot these expected values against the ordered data on a Q-Q plot.

For the uniform distribution, we estimate the parameters as a = 9 and b = 89, the minimum and maximum values in the data set. We then compute the expected values of F(x) for each observation using the formula F(x) = (x-a)/(b-a). The expected values for each observation are: 0, 0.167, 0.556, 1.

Looking at the Q-Q plots, we can see that the data points lie closer to the diagonal line for the uniform distribution than the exponential distribution. This suggests that the uniform distribution is a better fit for the data than the exponential distribution.

In summary, based on the Q-Q plots, we can conclude that the uniform distribution appears to be a better fit for the data than the exponential distribution. This may be due to the fact that the data set is relatively small and does not exhibit the exponential decay pattern often seen in larger data sets.

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Graph the points on the coordinate plane.

M(−212, −3), N(−1.5, 3.5), P(−312, 34), Q(0.5, −3.5), R(234, −112)
Use the Point Tool to plot the points.

Keyboard Instructions
Initial graph state
The horizontal axis goes from -4.5 to 4.5 with ticks spaced every 1 unit(s).
The vertical axis goes from -4.5 to 4.5 with ticks spaced every 1 unit(s).
Skip to navigation

Answers

The graph along the coordinate plane is attached below

What is graph of the points on the coordinate plane?

To find the graph of the points along the coordinate plane, we simply need to use a graphing calculator to plot the points M - N, N - P, P - Q, Q - R and R - M.

These individual points in this coordinates cannot form a quadrilateral on the plane.

The total perimeter or distance of the plane cannot be calculated by simply adding up all the points along the line.

However, these lines seem not to intersect at any point as they travel across the plane in different directions.

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Express the following ratios as fractions in their lowest term 4 birr to 16 cents

Answers

To express the ratio of 4 birr to 16 cents as a fraction in its lowest terms, we need to convert the currencies to a common unit.

1 birr is equal to 100 cents, so 4 birr is equal to 4 * 100 = 400 cents.

Now we have the ratio of 400 cents to 16 cents, which can be simplified by dividing both the numerator and denominator by their greatest common divisor (GCD), which in this case is 8.

400 cents ÷ 8 = 50 cents

16 cents ÷ 8 = 2 cents

Therefore, the ratio 4 birr to 16 cents expressed as a fraction in its lowest terms is:

50 cents : 2 cents

Simplifying further:

50 cents ÷ 2 = 25

2 cents ÷ 2 = 1

The fraction in its lowest terms is:

25 : 1

So, the ratio 4 birr to 16 cents is equivalent to the fraction 25/1.

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what is p{t1 < t−1 < t2}?

Answers

P(t1 < t-1 < t²) is the probability that t1 is less than t raised to the power of -1, which is less than t squared.

To calculate the probability P(t1 < t-1 < t²), you need to determine the range of values for t that satisfy this inequality. Start by isolating t:

1. t1 < t-1 → t1 + 1 < t (by adding 1 to both sides)
2. t-1 < t² → 1/t < t (by rewriting t-1 as 1/t)

Now, find the range of t values that satisfy both inequalities. Graph these inequalities on a number line, and identify the intersection of the two ranges. The probability P(t1 < t-1 < t²) will be the proportion of this intersection relative to the total possible range of values for t.

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Which answer choice describes how the graph of f(x) = x² was
transformed to create the graph of n(x) = x²- 1?
A A vertical shift up
B A horizontal shift to the left
CA vertical shift down
D A horizontal shift to the right

Answers

The best answer that describes how the graph of f(x) = x² was transformed to create the graph of h(x) = x² - 1 is  Option C; a vertical shift down.

We have that the graph of h(x) = x² - 1 is obtained by taking the graph of f(x) = x² and shifting it downward by 1 unit.

Which can be seen by comparing the equations of f(x) and h(x).

The graph of f(x) = x² is a parabola which opens upward and passes through the point (0,0).

When we subtract 1 from the output of each point on the graph then the entire graph shifts downward by 1 unit.

The shape of the parabola remains the same, but now centered around the point (0,-1).

Therefore, A vertical shift down.

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In ΔGHI, the measure of ∠I=90°, the measure of ∠G=82°, and GH = 3. 4 feet. Find the length of HI to the nearest tenth of a foot

Answers

In triangle ΔGHI, with ∠I measuring 90° and ∠G measuring 82°, and GH measuring 3.4 feet, the length of HI is 24.2 feet.

To find the length of HI, we can use the trigonometric function tangent (tan). In a right triangle, the tangent of an angle is equal to the ratio of the length of the side opposite the angle to the length of the side adjacent to it. In this case, the side opposite ∠G is HI, and the side adjacent to ∠G is GH. Therefore, we can set up the equation: tan(82°) = HI / GH.

Rearranging the equation to solve for HI, we have: HI = GH * tan(82°). Plugging in the given values, we get: HI = 3.4 * tan(82°). Using a calculator, we find that tan(82°) is approximately 7.115. Multiplying 3.4 by 7.115, we find that HI is approximately 24.161 feet. Rounded to the nearest tenth of a foot, the length of HI is 24.2 feet.

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Dave is going to make 6 pizzas. He plans to use 25pound of tomatoes for each pizza. The number of pounds of tomatoes Dave needs falls between which two whole numbers? Show your work:

Answers

If Dave plans to use 25 pounds of tomatoes for each pizza and he is making a total of 6 pizzas, then the total amount of tomatoes he needs can be calculated by multiplying the amount per pizza by the number of pizzas:

25 pounds/pizza * 6 pizzas = 150 pounds

Therefore, Dave needs a total of 150 pounds of tomatoes.

The whole numbers falling between which this amount of tomatoes falls can be determined by considering the next smaller and next larger whole numbers.

The next smaller whole number is 149 pounds, and the next larger whole number is 151 pounds.

So, the number of pounds of tomatoes Dave needs falls between 149 and 151 pounds.

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Evaluate the indefinite integral. ∫9sin^4xcos(x)dx= +C

Answers

We can use the trigonometric identity sin^2(x) = (1 - cos(2x))/2 and simplify sin^4(x) as (sin^2(x))^2 = [(1 - cos(2x))/2]^2.

So, the integral becomes:

∫9sin^4(x)cos(x) dx = ∫9[(1-cos(2x))/2]^2cos(x) dx

Expanding the square and distributing the 9, we get:

= (9/4) ∫[1 - 2cos(2x) + cos^2(2x)]cos(x) dx

Now, we can simplify cos^2(2x) as (1 + cos(4x))/2:

= (9/4) ∫[1 - 2cos(2x) + (1 + cos(4x))/2]cos(x) dx

= (9/4) ∫(cos(x) - 2cos(x)cos(2x) + (1/2)cos(x) + (1/2)cos(x)cos(4x)) dx

Integrating term by term, we get:

= (9/4) [sin(x) - sin(2x) + (1/2)sin(x) + (1/8)sin(4x)] + C

where C is the constant of integration.

Therefore,

∫9sin^4(x)cos(x) dx = (9/4) [sin(x) - sin(2x) + (1/2)sin(x) + (1/8)sin(4x)] + C.

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Let A be a 8 times 9 matrix. What must a and b be if we define the linear transformation by T: R^a rightarrow R^b as T(x) = Ax ? a = ___________ b = __________

Answers

The required answer is a vector in R^5, then we would set b = 5.

To determine the values of a and b in the linear transformation defined by T(x) = Ax, we need to consider the dimensions of the matrix A and the vector x.

We know that A is an 8x9 matrix, which means it has 8 rows and 9 columns. We also know that x is a vector in R^a, which means it has a certain number of components or entries.
The matrix A has 8 rows and 9 columns, which means it maps 9-dimensional vector to 8-dimensional vectors .
To ensure that the matrix multiplication Ax is defined and results in a vector in R^b, we need the number of columns in A to be equal to the number of components in x. In other words, we need 9 = a and b will depend on the number of rows in A and the desired output dimension of T(x).

Therefore, a = 9 and b can be any number between 1 and 8, inclusive, depending on the desired output dimension of T(x). For example,

if we want T(x) to output a vector in R^5, then we would set b = 5.

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A study of the amount of time it takes a specialist to repair a mobile MRI shows that the mean is 8. 4 hours and the standard deviation is 1. 8 hours. If a broken mobile MRI is randomly​ selected, find the probability that its mean repair time is less than 8. 9 hours

Answers

The probability that the mean repair time is less than 8.9 hours is 0.6103 (or 61.03%).

Given information: Mean repair time is 8.4 hours and Standard deviation is 1.8 hours

To find: Probability that the mean repair time is less than 8.9 hoursZ score can be calculated using the formula;

Z = (X - μ) / σWhere,

Z = z score

X = Value for which we need to find the probability (8.9 hours)

μ = Mean (8.4 hours)

σ = Standard deviation (1.8 hours)

Substituting the values in the above formula;

Z = (8.9 - 8.4) / 1.8Z = 0.28

Probability for z-score of 0.28 can be found from z table.

The value from the table is 0.6103

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What is the approximate length of the apothem? Round to the nearest tenth. 9. 0 cm 15. 6 cm 20. 1 cm 25. 5 cm.

Answers

The approximate length of the apothem is 20.1 cm.

The apothem of a polygon is the perpendicular distance from the center of the polygon to any of its sides. To determine the approximate length of the apothem, we need to consider the given options: 9.0 cm, 15.6 cm, 20.1 cm, and 25.5 cm.

Since we are asked to round to the nearest tenth, we can eliminate the options of 9.0 cm and 25.5 cm since they don't have tenths. Now, we compare the remaining options, 15.6 cm and 20.1 cm.

To determine the apothem's length, we can use the formula for the apothem of a regular polygon, which is given by:

apothem = side length / (2 * tan(π / number of sides))

By comparing the values, we see that 20.1 cm is closer to 15.6 cm than 20.1 cm is to 25.5 cm. Therefore, we can conclude that the approximate length of the apothem is 20.1 cm, rounding to the nearest tenth.

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compute c f · dr for the oriented curve specified. f = 6zy−1, 8x, −y , r(t) = et, et, t for −1 ≤ t ≤ 1

Answers

The correct answer to the question "compute c f · dr for the oriented curve specified. f = 6zy^(-1), 8x, -y , r(t) = et, et, t for -1 ≤ t ≤ 1" is:

c f · dr = 10e - 10/e + 8e^2 - 8/e^2

To compute this line integral, we need to evaluate the integral of f · dr over the given curve. We first parameterize the curve as:

r(t) = et i + et j + t k, for -1 ≤ t ≤ 1

We then compute dr/dt = e^t i + e^t j + k, and f(r(t)) = 6(e^t)^2/t + 8e^t i - j.

Using the dot product formula, f(r(t)) · dr/dt = 6(e^t)^2/t * e^t + 8e^t * e^t - 1, which simplifies to 6e^(2t)/t + 8e^(2t) - 1.

We then integrate this expression with respect to t over the interval [-1, 1] to obtain the line integral:

c f · dr = ∫(from -1 to 1) (6e^(2t)/t + 8e^(2t) - 1) dt

This integral can be evaluated using standard integration techniques, resulting in the answer:

c f · dr = 10e - 10/e + 8e^2 - 8/e^2

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Use this model to calculate 3/8×2/6. A grid is shown with 8 rows and 6 columns. The top 2 rows are colored blue. The left 3 columns are textured. These colors and textures overlap on 6 cells indicated by the first 3 columns of the top two rows. A. 16/18


B. 13/24


C. 6/48


D. 5/48

Answers

To calculate 3/8 × 2/6 using a grid model, we need to use the following procedure:

First, represent the fraction 3/8 by shading three cells in each of the eight rows.Then, represent the fraction 2/6 by shading two cells in each of the six columns of the grid model.

Next, identify the cells that are shaded blue and textured. There are six cells where the blue shading and the texture overlap.Now count the number of cells that are shaded blue but not textured, there are 18 of them.Now count the number of cells that are textured but not shaded blue, there are 12 of them.

Finally, count the total number of cells that are shaded blue or textured.

There are 24 of them.

Thus, the product 3/8 × 2/6 is equal to the fraction of the total number of cells that are shaded blue or textured. This fraction is equal to 13/24.Therefore, the answer is B. 13/24.

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virginia company paid $7,500 cash for various manufacturing overhead costs. as a result of this transaction:

Answers

The Virginia Company paid $7,500 in cash for manufacturing overhead costs, which refers to indirect expenses incurred in the production process.

Examples of manufacturing overhead costs include rent, utilities, insurance, and maintenance expenses.

By paying for these expenses, the Virginia Company was able to keep their manufacturing operations running smoothly and efficiently.

This transaction would likely be recorded in the company's financial records as a debit to manufacturing overhead and a credit to cash.

Ultimately, the payment of manufacturing overhead costs helps to ensure that the company can produce goods at a reasonable cost while maintaining high quality standards, which is essential for long-term success in the competitive marketplace.

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consider the following system. dx dt = x y − z dy dt = 5y dz dt = y − z find the eigenvalues of the coefficient matrix a(t). (enter your answers as a comma-separated list.)

Answers

The eigenvalues of the coefficient matrix a(t) are 5,1,-1.

To find the eigenvalues of the coefficient matrix, we need to first form the coefficient matrix A by taking the partial derivatives of the given system of differential equations with respect to x, y, and z. This gives us:

A = [y, x, -1; 0, 5, 0; 0, 1, -1]

Next, we need to find the characteristic equation of A, which is given by:

det(A - λI) = 0

where I is the identity matrix and λ is the eigenvalue we are trying to find.

We can expand this determinant to get:

(λ - 5)(λ - 1)(λ + 1) = 0

Therefore, the eigenvalues of the coefficient matrix are λ = 5, λ = 1, and λ = -1.

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Mary is making 5 necklaces for her friends, and she needs 11/12 of a foot of string for each necklace. How many feet of string does she need?


A. 5 11/12 feet

B. 4 7/12 feet

C. 7 4/12 feet

D. 3 7/12 feet

Answers

Mary needs 4 7/12 feet of string for the 5 necklaces. The answer is option B.

How to solve for the string needed

To find how many feet of string Mary needs for 5 necklaces, we can multiply the length of string needed for each necklace by the number of necklaces.

Length of string needed for each necklace = 11/12 feet

Number of necklaces = 5

Total length of string needed = (Length of string needed for each necklace) * (Number of necklaces)

Total length of string needed = (11/12) * 5

Total length of string needed = 55/12 feet

To simplify the fraction, we can convert it to a mixed number:

Total length of string needed = 4 7/12 feet

Therefore, Mary needs 4 7/12 feet of string for the 5 necklaces. The answer is option B.

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An order of complexity that is worse than polynomial is called quadratic.A. TrueB. False

Answers

An order of complexity that is worse than polynomial is called quadratic is B. False.
An order of complexity that is worse than polynomial is not called quadratic.

A polynomial function is a function that can be expressed as the sum of finite terms, where each term is a constant multiplied by a variable raised to a non-negative integer power.

A quadratic function is a type of polynomial function of degree 2, meaning the highest power of the variable is 2. The order of complexity of an algorithm is a measure of the amount of time or space required by the algorithm to solve a problem, expressed in terms of the input size of the problem.

An algorithm with a polynomial time complexity has an execution time that grows at most as a polynomial function of the input size.

An algorithm with an exponential time complexity has an execution time that grows exponentially with the input size, and an algorithm with a factorial time complexity has an execution time that grows as a factorial of the input size.

Therefore, an order of complexity that is worse than polynomial is usually referred to as exponential or factorial complexity, not quadratic. Understanding the order of complexity of an algorithm helps us understand how well an algorithm will scale as the input size grows.

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he average width x is 31.19 cm. the deviations are: what is the average deviation?31.5 0.086 cm 0.25 O1

Answers

The average deviation from the mean width of 31.19 cm is 0.1725 cm. This means that, on average, the data points are about 0.1725 cm away from the mean width.

The average deviation of a data set is a measure of how spread out the data is from its mean.

It is calculated by finding the absolute value of the difference between each data point and the mean, then taking the average of these differences.

In this problem, we are given a set of deviations from the mean width of 31.19 cm.

The deviations are:

31.5, 0.086 cm, 0.25, -0.01

The average deviation, we need to calculate the absolute value of each deviation, then their average.

We can use the formula:

average deviation = (|d1| + |d2| + ... + |dn|) / n

d1, d2, ..., dn are the deviations and n is the number of deviations.

Using this formula and the given deviations, we get:

average deviation = (|31.5 - 31.19| + |0.086| + |0.25| + |-0.01|) / 4

= (0.31 + 0.086 + 0.25 + 0.01) / 4

= 0.1725 cm

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The average deviation from the mean width of 31.19 cm is 20.42 cm. This tells us that the data points are spread out from the mean by an average of 20.42 cm, which is a relatively large deviation for a dataset with a mean of 31.19 cm.

In statistics, deviation refers to the amount by which a data point differs from the mean of a dataset. The average deviation is a measure of the average distance between each data point and the mean of the dataset. To calculate the average deviation, we first need to calculate the deviation of each data point from the mean.

In this case, we have the mean width x as 31.19 cm and the deviations of the data points as 0.5 cm and -0.086 cm. To calculate the deviation, we subtract the mean from each data point:

Deviation of 31.5 cm = 31.5 - 31.19 = 0.31 cm

Deviation of 0.5 cm = 0.5 - 31.19 = -30.69 cm

Deviation of -0.086 cm = -0.086 - 31.19 = -31.276 cm

Next, we take the absolute value of each deviation to eliminate the negative signs, as we are interested in the distance from the mean, not the direction. The absolute deviations are:

Absolute deviation of 31.5 cm = 0.31 cm

Absolute deviation of 0.5 cm = 30.69 cm

Absolute deviation of -0.086 cm = 31.276 cm

The average deviation is calculated by summing the absolute deviations and dividing by the number of data points:

Average deviation = (0.31 + 30.69 + 31.276) / 3 = 20.42 cm

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Spencer spent a total of $704 in the month of July.

If you estimate the amount of money he spent on the specified categories,

select all the true statements about Spencer’s spending.

Answers

Answer:

stay safe

Step-by-step explanation:

Given : Spencers expenses

27% clothing,

11% Gasoline,

44% Food

18% Entertainment.

spencer spent a total of $704.00 in the month of July

To Find : estimate the amount of money he spent on clothing, to the nearest $10

Solution:

Spencers expenses

27%   clothing,

11%     Gasoline,

44%    Food

18%    Entertainment.

100 %   Total

100 %   = 704

1 %  = 704/100

27 %  = 27 * 704 /100

Estimation   27 x 700 /100

= 27 * 7

= 189  

= 190  $    

amount of money he spent on clothing, to the nearest $10 = 190  $  

Exact  ( 27 * 704 /100) = 190.08  ≈ 190 $

money he spent on clothing, to the nearest $10 = 190  $  

(a) Construct an isosceles triangle ABC such that AB = AC = 5. 8 cm and angle BAC =


90°.

Answers

Triangle ABC is an isosceles triangle with AB = AC = 5.8 cm and angle BAC = 90°.

To construct an isosceles triangle ABC where AB = AC = 5.8 cm and angle BAC = 90°, follow these steps:

Draw a straight line segment AB of length 5.8 cm.

Place the compass at point A and draw arcs above and below the line AB with a radius of 5.8 cm.

Mark the points where the arcs intersect the line AB as points C and D.

Join points C and D to complete the base of the triangle.

Place the compass at point C and draw an arc with a radius greater than half the length of CD (the base).

Place the compass at point D and draw an arc with the same radius as in step 5.

Let the arcs intersect at point E.

Join points A and E to complete the triangle.

Now, triangle ABC is an isosceles triangle with AB = AC = 5.8 cm and angle BAC = 90°.

Note: In an isosceles triangle, the two sides opposite the equal angles are of equal length. In this case, AB and AC are the equal sides, and angle BAC is the right angle.

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Mark each series as convergent or divergent. 1. ∑n=1[infinity] ln(n)/5n 2. ∑n=1[infinity] 1/(5+n^(2/3)) 3. ∑n=1[infinity] (5+9^n)/(3+6^n) 4. ∑n=2[infinity] 4/(n^5−4) 5. ∑n=1[infinity] 4/(n(n+5))

Answers

1. ∑n=1[infinity] ln(n)/5n:

We can use the integral test to determine whether this series is convergent or divergent. Let f(x) = ln(x)/5x. Then, f'(x) = (5-ln(x))/(5x)^2. Since f'(x) is negative for x >= e^5, f(x) is a decreasing function for x >= e^5. Thus, we have:

∫[1,infinity] ln(x)/5x dx = [ln(x)^2/10]_[1,infinity] = infinity

Since the integral diverges, the series also diverges.

2. ∑n=1[infinity] 1/(5+n^(2/3)):

Since the series has positive terms, we can use the p-test with p=2/3 to determine its convergence. We have:

lim[n→infinity] n^(2/3)/(5+n^(2/3)) = 0

Since 2/3 < 1, the series converges.

3. ∑n=1[infinity] (5+9^n)/(3+6^n):

We can use the ratio test to determine whether this series is convergent or divergent. We have:

lim[n→infinity] (5+9^(n+1))/(3+6^(n+1)) * (3+6^n)/(5+9^n) = 3/2

Since the limit is less than 1, the series converges.

4. ∑n=2[infinity] 4/(n^5−4):

We can use the comparison test to determine whether this series is convergent or divergent. Since n^5 > 4 for all n >= 2, we have:

0 < 4/(n^5-4) <= 4/n^5

Since ∑n=1[infinity] 4/n^5 converges (by the p-test with p=5), the series also converges by the comparison test.

5. ∑n=1[infinity] 4/(n(n+5)):

We can use the partial fraction decomposition to write:

4/(n(n+5)) = 4/5 * (1/n - 1/(n+5))

Thus, we have:

∑n=1[infinity] 4/(n(n+5)) = 4/5 * (∑n=1[infinity] 1/n - ∑n=6[infinity] 1/n)

The second series is a harmonic series with terms decreasing to 0, which means it diverges. The first series is the harmonic series with terms decreasing to 0 except for the first term, which means it also diverges. Therefore, the original series diverges.

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Juan and Rajani are both driving along the same highway in two different cars to a stadium in a distant city. At noon, Juan is 260 miles away from the stadium and Rajani is 380 miles away from the stadium. Juan is driving along the highway at a speed of 30 miles per hour and Rajani is driving at speed of 50 miles per hour. Let � J represent Juan's distance, in miles, away from the stadium � t hours after noon. Let � R represent Rajani's distance, in miles, away from the stadium � t hours after noon. Graph each function and determine the interval of hours, � , t, for which Juan is closer to the stadium than Rajani.

Answers

The interval of hours for which Juan is closer to the stadium than Rajani is t < 6, which means within the first 6 hours after noon.

To graph the functions representing Juan's and Rajani's distances from the stadium, we can use the equations:

J(t) = 260 - 30t (Juan's distance from the stadium)

R(t) = 380 - 50t (Rajani's distance from the stadium)

The functions represent the distance remaining (in miles) as a function of time (in hours) afternoon.

To determine the interval of hours for which Juan is closer to the stadium than Rajani, we need to find the values of t where J(t) < R(t).

Let's solve the inequality:

260 - 30t < 380 - 50t

-30t + 50t < 380 - 260

20t < 120

t < 6

Thus, the inequality shows that for t < 6, Juan is closer to the stadium than Rajani.

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3. In questions 1 and 2 we looked at the limit of a function as the input approached a pre-chosen value. Now let's look at limits being used to calculate an instantaneous rate of change. We want to find out the rate at which P(x)=-2x² + 3x +5 is changing when x = 2. Recall the Difference Quotient. Do-f(x+h)-f(x) is the slope of the line that goes through the points (x, f(x)) and (x +h, f(x+h)). This can be thought of as the _rate of change of f(x) over the interval

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The Difference Quotient can be thought of as the average rate of change of the function f(x) over the interval [x, x+h]. To find the instantaneous rate of change of f(x) at a specific point, we need to take the limit of the Difference Quotient as h approaches zero. This limit will give us the slope of the tangent line to the graph of f(x) at the point x, which is the instantaneous rate of change of the function at that point.

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HELP!!!




Determine all real values of a,b and c for the quadratic function


f(x) = ax^2+ bx + c, that satisfy the


conditions f(0) = 0, lim f(x) = 5 and lim f(x) = 8



Please provide and step by step explanation thank you.

Answers

The real values of a, b, and c that satisfy the given conditions are: a = 0, b = 5, and c = 0.Answer is: $a=0,b=5,c=0$

To determine all real values of a, b, and c for the quadratic function, let's follow the steps given below:Given, f(x) = ax²+ bx + c Now, we need to find out the real values of a, b, and c that satisfy the conditions mentioned in the problem statement.

1. f(0) = 0 Given f(x) = ax²+ bx + cSo, f(0) = a(0)² + b(0) + c = 0∴ c = 0 2. lim f(x) = 5 Given lim f(x) = 5We know, a quadratic function always has a vertex that lies on the line of symmetry (LOS) which is defined by the equation: x = -b/2aHere, the vertex of the given quadratic function is given by (-b/2a, c) = (0, 0) (as c = 0)Since the vertex lies on x = 0, we can conclude that the quadratic function is symmetric about y-axis which means lim f(x) = lim f(-x) = 5 at x → ∞Using the above information, we can create the following equation:

lim f(x) = lim f(-x) = 5when x → ∞So, a(∞)² + b(∞) + c = 5and a(-∞)² + b(-∞) + c = 5∴ ∞²a + ∞b = -5∞²a - ∞b = -5Adding both equations, we get: ∞a = -5 a = 0 (As a is a finite quantity)Hence, we get: 0 + 0 + c = 0 ∴ c = 0 3. lim f(x) = 8 Given lim f(x) = 8Since a = 0, we can write f(x) = bxSo, lim f(x) = 8 means that the quadratic function has a horizontal asymptote at y = 8

Therefore, the equation of the quadratic function that satisfies all the given conditions is f(x) = bx + 8We know, lim f(x) = 8 when x → ±∞So, f(x) = ax² + bx + c should have a horizontal asymptote at y = 8So, a must be equal to 0 for the horizontal asymptote of the quadratic function to be y = 8.Now, the equation of the quadratic function becomes:

f(x) = bx + 8Also, f(0) = 0, we can write: f(0) = a(0)² + b(0) + c = 0⇒ c = 0Using the given value of lim f(x) = 5, we can say that f(x) is approaching 5 from both sides as x → ±∞, so, b must be equal to 5.Now, the equation of the quadratic function becomes: f(x) = 5x + 8Therefore, the real values of a, b, and c that satisfy the given conditions are: a = 0, b = 5, and c = 0.Answer is: $a=0,b=5,c=0$

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for the following indefinite integral, find the full power series centered at x=0 and then give the first 5 nonzero terms of the power series. f(x)=∫e6x−17x dx f(x)=c ∑n=1[infinity]

Answers

Okay, let's solve this step-by-step:

1) Take the integral: f(x) = ∫e6x−17x dx

= e6x / 6 - 17x / 17

= 1 - x + 3x2 - 17x3 / 6 + ...

2) This is a power series centered at x = 0. To convert to a full power series, we set c = 1 and the powers start at n = 0:

f(x) = 1 ∑n=0[infinity] an xn

3) Identify the first 5 nonzero terms:

f(x) = 1 - x + 3x2 - 17x3 / 6 + 51x4 / 24 - 153x5 / 120

Therefore, the first 5 nonzero terms of the power series are:

1 - x + 3x2 - 17x3 / 6 + 51x4 / 24

Let me know if you would like more details on any part of the solution.

The full power series and the first five nonzero terms of this power series are f(x) = C + x + 3x² + 6x³ + 9x⁴

How did we get these values?

To find the power series representation of the indefinite integral of the function f(x) = ∫(e⁶ˣ - 17x) dx, begin by integrating the given function term by term. Calculate the power series centered at x = 0.

Start with the series representation of e⁶ˣ and -17x:

e⁶ˣ = 1 + 6x + (6x)²/₂! + (6x)³/₃! + (6x)⁴/₄! + ...

-17x = -17x + 0 + 0 + 0 + ...

Integrating term by term, the power series representation of the indefinite integral is obtained:

∫(e⁶ˣ - 17x) dx = C + ∫(1 + 6x + (6x)²/₂! + (6x)³/₃! + (6x)⁴/₄! + ...) dx

= C + x + 3x² + (6x)³/₃! + (6x)⁴/₄! + ...

Simplify this series by expanding the terms and collecting like powers of x:

∫(e⁶ˣ - 17x) dx = C + x + 3x² + 36x^3/6 + 216x⁴/₂₄ + ...

= C + x + 3x² + 6x³ + 9x⁴ + ...

The power series representation of the indefinite integral is given by:

f(x) = C + x + 3x² + 6x³ + 9x⁴ + ...

The first five nonzero terms of this power series are:

f(x) = C + x + 3x² + 6x³ + 9x⁴

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(1 point) consider the initial value problem y′′ 16y=e−t, y(0)=y0, y′(0)=y′0. suppose we know that y(t)→0 as t→[infinity]. determine the solution and the initial conditions.

Answers

The solution to the initial value problem is y(t) = (y0 - (1/17)) cos(4t) + [(y'0 + (1/17))/4] sin(4t) + (1/17) e^(-t).

The characteristic equation for the homogeneous part of the differential equation?

The characteristic equation for the homogeneous part of the differential equation is r^2 + 16 = 0, which has solutions r = ±4i. Therefore, the general solution to the homogeneous equation is:

y_h(t) = c_1 cos(4t) + c_2 sin(4t)

To find a particular solution to the nonhomogeneous equation, we can use the method of undetermined coefficients. Since the forcing function is e^(-t), a reasonable guess for the particular solution is y_p(t) = Ae^(-t), where A is a constant to be determined. Taking the first and second derivatives of this function, we have:

y_p'(t) = -Ae^(-t)

y_p''(t) = Ae^(-t)

Substituting these expressions into the differential equation, we get:

Ae^(-t) + 16Ae^(-t) = e^(-t)

Simplifying this equation, we get A = 1/17. Therefore, the particular solution is:

y_p(t) = (1/17) e^(-t)

The general solution to the nonhomogeneous equation is then:

y(t) = y_h(t) + y_p(t) = c_1 cos(4t) + c_2 sin(4t) + (1/17) e^(-t)

Using the initial conditions y(0) = y0 and y'(0) = y'0, we can solve for the constants c_1 and c_2:

y(0) = c_1 cos(0) + c_2 sin(0) + (1/17) e^(0) = c_1 + (1/17) = y0

y'(0) = -4c_1 sin(0) + 4c_2 cos(0) - (1/17) e^(0) = 4c_2 - (1/17) = y'0

Solving these equations for c_1 and c_2, we get:

c_1 = y0 - (1/17)

c_2 = (y'0 + (1/17) )/4

Therefore, the solution to the initial value problem is:

y(t) = (y0 - (1/17)) cos(4t) + [(y'0 + (1/17))/4] sin(4t) + (1/17) e^(-t)

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Einstein Level
1) When the drain is closed, a swimming pool
can be filled in 4 hours. When the drain is opened,
it takes 5 hours to empty the pool. The pool is being
filled, but the drain was accidentally left open. How
long until the pool is completely filled?

Answers

Answer:

2

Step-by-step explanation:

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