Question 3. Find the horizontal and vertical asymptotes, if any of them exists. (a) f(x) = |x|(2x²+3) 2³ +8 (b) f(x) = (c) f(x)= (d) f(x)= (e) f(x) = (f) f(x)= (g) f(x)= (h) f(x) = = (x²-4)√x²+6 x³ + x²- - 6x ²+1 x-3 2r|x-1| x²-1 2-4 2-4 3x²|x2| 2³-8 2²-4x+4

The truth value of the given proposition is "false".

The truth value of the given proposition can be evaluated using the following steps:

Convert the binary representation of the numbers to decimal:

0 = 0

~1 = -1 (invert the bits of 1 to get -2 in two's complement representation and add 1)

10 = 2

Apply the comparison operator "=" between the left and right sides of the equation:

(0 = -1) = 2

Evaluate the left side of the equation, which is false, because 0 is not equal to -1.

Evaluate the right side of the equation, which is true, because 2 is a nonzero value.

Apply the comparison operator "=" between the results of step 3 and step 4, which yields:

false = true

Therefore, the truth value of the given proposition is "false".

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The derivative of y = xcos(2x) is given by (dy/dx) = cos(2x) - 2xsin(2x). Therefore, the correct answer is option (4): cos(2x) - 2xsin(2x).

To find the derivative of cosine function y = xcos(2x), we can use the product rule:

(dy/dx) = (d/dx)(x) * cos(2x) + x * (d/dx)(cos(2x))

The derivative of x is 1, and the derivative of cos(2x) is -2sin(2x):

(dy/dx) = 1 * cos(2x) + x * (-2sin(2x))

Simplifying this expression, we get:

(dy/dx) = cos(2x) - 2xsin(2x)

Therefore, the correct answer is option (4): cos(2x) - 2xsin(2x).

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The three consecutive even integers are -38, -36, and -34.

Given f(x) = 2x-3 and g(x) = 5x + 4, the composite of f° g(x) = f(g(x)) can be calculated as follows:

Solution: A. Composite (f° g)(x):f(x) = 2x - 3 and g(x) = 5x + 4

Let's substitute the value of g(x) in f(x) to obtain the composite of f° g(x) = f(g(x))f(g(x))

= f(5x + 4)

= 2(5x + 4) - 3

= 10x + 5

B. Composite (g° f)(x):f(x)

= 2x - 3 and g(x)

= 5x + 4

Let's substitute the value of f(x) in g(x) to obtain the composite of g° f(x) = g(f(x))g(f(x))

= g(2x - 3)

= 5(2x - 3) + 4

= 10x - 11

C. Composite (f° g)(-3):

Let's calculate composite of f° g(-3)

= f(g(-3))f(g(-3))

= f(5(-3) + 4)

= -10 - 3

= -13

Given f(x) = x² - 8x - 9 and

g(x) = x²+ 6x + 5,

the composite of f° g(x) = f(g(x)) can be calculated as follows:

Solution: A. Composite (fog)(0):f(x) = x² - 8x - 9 and g(x)

= x² + 6x + 5

Let's substitute the value of g(x) in f(x) to obtain the composite of f° g(x) = f(g(x))f(g(x))

= f(x² + 6x + 5)

= (x² + 6x + 5)² - 8(x² + 6x + 5) - 9

= x⁴ + 12x³ - 31x² - 182x - 184

B. Composite (fog)(1):

Let's calculate composite of f° g(1) = f(g(1))f(g(1))

= f(1² + 6(1) + 5)= f(12)

= 12² - 8(12) - 9

= 111

C. Composite (g° f)(1):

Let's calculate composite of g° f(1) = g(f(1))g(f(1))

= g(2 - 3)

= g(-1)

= (-1)² + 6(-1) + 5= 0

The length and width of an envelope can be calculated as follows:

Solution: Let's assume the width of the envelope to be x.

The length of the envelope will be (x + 4) cm, as per the given conditions.

The area of the envelope is given as 96 cm².

So, the equation for the area of the envelope can be written as: x(x + 4) = 96x² + 4x - 96

= 0(x + 12)(x - 8) = 0

Thus, the width of the envelope is 8 cm and the length of the envelope is (8 + 4) = 12 cm.

Three consecutive even integers whose square difference is 76 can be calculated as follows:

Solution: Let's assume the three consecutive even integers to be x, x + 2, and x + 4.

The square of the third integer is 76 more than the square of the second integer.x² + 8x + 16

= (x + 2)² + 76x² + 8x + 16

= x² + 4x + 4 + 76x² + 4x - 56

= 0x² + 38x - 14x - 56

= 0x(x + 38) - 14(x + 38)

= 0(x - 14)(x + 38)

= 0x = 14 or

x = -38

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The partition of matrix B into 2x2 blocks is:

B = [1 2 | 3 4 ;

3 4 | 5 6 ;

------------

1 3 | 4 1 ;

3 4 | 6 3]

To construct the partition of the matrix B into 2x2 blocks, we divide the matrix into smaller submatrices. Each submatrix will be a 2x2 block. Here's how it would look:

B = [B₁ B₂;

B₃ B₄]

where:

B₁ = [1 2; 3 4]

B₂ = [3 4; 5 6]

B₃ = [1 3; 3 4]

B₄ = [4 1; 6 3]

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The roots of the equation are;

a. (n +2)(n -8)

b. (x-5)(x-3)

From the information given, we have the expressions as;

f(x) = n² - 6n - 16

Using the factorization method, we have to find the pair factors of the product of the constant and x square, we have;

a. n² -8n + 2n - 16

Group in pairs, we have;

n(n -8) + 2(n -8)

Then, we get;

(n +2)(n -8)

b. y = x² - 8x + 15

Using the factorization method, we have;

x² - 5x - 3x + 15

group in pairs, we have;

x(x -5) - 3(x - 5)

(x-5)(x-3)

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The probability of A intersection B is 0.306, the probability of A complement is 0.550, the probability of B complement is 0.320, and the probability of A intersection B complement is 0.144.

To find the following probabilities, we can use the formulas for probabilities of union and intersection:

1. Probability of A intersection B: P(A ∩ B) = P(A) + P(B) - P(A U B)

  P(A ∩ B) = 0.450 + 0.680 - 0.824 = 0.306

2. Probability of A complement: P(A') = 1 - P(A)

  P(A') = 1 - 0.450 = 0.550

3. Probability of B complement: P(B') = 1 - P(B)

  P(B') = 1 - 0.680 = 0.320

4. Probability of A intersection B complement: P(A ∩ B') = P(A) - P(A ∩ B)

  P(A ∩ B') = 0.450 - 0.306 = 0.144

Please note that the given probabilities have been rounded to three decimal places for simplicity.

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The diameter of the circle is approximately 8.2 inches.

To find the diameter of a circle given its area, we can use the formula:

A =π[tex]r^2[/tex]

where A represents the area of the circle and r represents the radius. In this case, we are given the area of the circle, which is 52 square inches.

We can rearrange the formula to solve for the radius:

r = √(A/π)

Plugging in the given area, we have r = √(52/π). To find the diameter, we double the radius:

diameter = 2r

               = 2 * √(52/π)

               = 2 * √(52/3.14159)

               = 8.231 inches.

Rounding to the nearest tenth, we get a diameter of approximately 8.2 inches.

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The volume of the solid is 1/8.

The double integral is used to find the volume of the solid between z = 0 and z = xy

over the plane region bounded by y = 0, y = x, and x = 1.

The region is a triangle with vertices at (0,0), (1,0), and (1,1).

Since we have the region bounded by x = 1, the limits of integration for x will be 0 and 1.

As for y, since the region is bounded by y = 0 and y = x, the limits of integration for y will be from 0 to x. Then, we can integrate the function z = xy with respect to x and y to obtain the volume of the solid. The result is V = 1/8.

: The volume of the solid is 1/8.

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The name given to this type of design is a factorial design. A factorial design is a design in which researchers investigate the effects of two or more independent variables on a dependent variable.

In this study, two independent variables were used: room color (yellow, blue) and room temperature (20, 24, 28 degrees Celsius), while the dependent variable was happiness.

Each level of each independent variable was tested in conjunction with each level of the other independent variable. There are a total of six experimental conditions (two colors × three temperatures = six conditions), and twenty students were randomly assigned to each of the six conditions.

The researcher then examined how each independent variable and how the interaction of the two independent variables affected the dependent variable (happiness). Therefore, this study is an example of a 2 x 3 factorial design.

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The corresponding English sentence for p^q is "It is quiet and we are in the library."

1. A x B:

A = {3, 5, 7}

B = {x, y}

A x B = {(3, x), (3, y), (5, x), (5, y), (7, x), (7, y)}

2. Relation p:

p = {(a, b) : a + b > 5}

The elements in relation p are:

{(3, 4), (3, 5), (3, 6), (3, 7), (4, 3), (4, 4), (4, 5), (4, 6), (4, 7), (5, 2), (5, 3), (5, 4), (5, 5), (5, 6), (5, 7), (6, 1), (6, 2), (6, 3), (6, 4), (6, 5), (6, 6), (6, 7), (7, 1), (7, 2), (7, 3), (7, 4), (7, 5), (7, 6), (7, 7)}

3. Adjacency matrix for relation p:

The adjacency matrix for relation p on {1, 2, 3, 4} is:

0 0 0 0

0 0 0 0

0 0 0 0

1 1 1 1

4.Relation r:

r is the relation xry iff y = x/2.

The elements in relation r are:

{(0, 0), (2, 1), (4, 2), (8, 4)}

5. Proposition p: It is quiet

q: We are in the library

The English equivalent for pq is "It is quiet and we are in the library."

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The function y(t) = (6/5) - (6/5) is a valid explicit solution to the differential equation dy/dt = 20y = 24, and it satisfies the equation for the specified interval of definition.

To verify that the function y(t) = (6/5) - (6/5)[tex]e^(-20t)[/tex] is an explicit solution of the differential equation dy/dt = 20y, we need to substitute the function into the differential equation and check if it satisfies the equation.
First, let's find dy/dt using the given function:
dy/dt = d/dt [(6/5) - (6/5)[tex]e^(-20t)[/tex]]
      = 0 + (6/5)(20)[tex]e^(-20t)[/tex] [Applying the chain rule]
      = 24[tex]e^(-20t)[/tex]
Now let's substitute this expression for dy/dt back into the differential equation:
24[tex]e^(-20t)[/tex] = 20[(6/5) - (6/5)e^(-20t)]
We can simplify this equation:
24[tex]e^(-20t)[/tex] = 24 - 24[tex]e^(-20t)[/tex]
Rearranging the equation, we have:
24[tex]e^(-20t)[/tex] + 24[tex]e^(-20t)[/tex] = 24
Combining like terms, we get:
48[tex]e^(-20t)[/tex] = 24
Dividing both sides by 48, we find:
[tex]e^(-20t)[/tex] = 1/2
Taking the natural logarithm of both sides, we have:
-20t = ln(1/2)
Solving for t, we get:
t = (1/20)ln(1/2)
Therefore, the function y(t) = (6/5) - (6/5)[tex]e^(-20t)[/tex]is a valid explicit solution to the differential equation dy/dt = 20y = 24, and it satisfies the equation for the specified interval of definition.

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Answer: H

Step-by-step explanation:  The answer is G because H is farther from the circle and G is the closest.

Answer: The answer is D (2,3)

Step-by-step explanation:

We are given that triangle PQR lies in the xy-plane, and coordinates of Q are (2,-3).

Triangle PQR is rotated 180 degrees clockwise about the origin and then reflected across the y-axis to produce triangle P'Q'R',

We have to find the coordinates of Q'.

The coordinates of Q(2,-3).

180 degree clockwise  rotation about the origin  then transformation rule

The coordinates (2,-3) change into (-2,3) after 180 degree clockwise rotation about origin.

Reflect across y- axis the transformation rule

Therefore, when reflect across y- axis then the coordinates (-2,3) change into (2,3).

Hence, the coordinates of Q(2,3).

The values of θ in degrees for the expression cosθ = -1 are 180° + 360°k, where k is an integer.

The unit circle is a circle with a radius of 1 centered at the origin of a coordinate plane. The cosine function represents the x-coordinate of a point on the unit circle. When the cosine value is -1, it means that the x-coordinate is -1.

In the unit circle, there is a point (-1, 0) on the x-axis that corresponds to an angle of 180° or π radians. This point satisfies the condition cosθ = -1.

Since the cosine function has a periodicity of 360° or 2π radians, we can add multiples of 360° to the angle to obtain other solutions. Therefore, the possible values for θ in degrees are 180° + 360°k, where k is an integer. This represents a full revolution around the unit circle starting from the point (-1, 0) and moving counterclockwise.

In conclusion, the values of θ in degrees for the expression cosθ = -1 are 180° + 360°k, where k is an integer.

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False, the given linear ODE is not homogeneous.

To determine if the given linear ODE is homogeneous, we need to check if the equation can be expressed in the form [tex]F(x, y, y') = 0[/tex] where F is a homogeneous function of degree zero.

Let's rearrange the given equation:

[tex]e^{xy'} - 2y - 2x = 0[/tex]

The term [tex]e^{xy'}[/tex] is not a homogeneous function of degree zero because it contains both x and y variables raised to powers other than zero. Therefore, the given linear ODE is not homogeneous.

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The statement "The given linear ODE: exy' - 2y - 2x = 0 is homogeneous" is false. The equation is non-homogeneous due to the presence of the -2x term.

The given linear ordinary differential equation (ODE): exy' - 2y - 2x = 0 is not homogeneous. The term "homogeneous" refers to an ODE where all terms involve only the dependent variable and its derivatives, without any additional independent variables.

In the given equation, we have the term -2x, which involves the independent variable x. This term indicates that the equation is non-homogeneous because it depends on x rather than solely on y and its derivatives.

A homogeneous linear ODE typically has a form like ay' + by = 0, where a and b are constants. In such an equation, all terms involve only y and its derivatives, with no direct dependence on any other variable.

In the given equation, since the term -2x is present, it introduces a non-zero coefficient for the independent variable x, making the equation non-homogeneous. This additional term requires a different approach to solve the ODE compared to solving a homogeneous linear ODE.

Therefore, the statement "The given linear ODE: exy' - 2y - 2x = 0 is homogeneous" is false. The equation is non-homogeneous due to the presence of the -2x term.

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Answer:

page 10

Step-by-step explanation:

10+11+12+13+14+15=75

The given sequence is monotone and is bounded below but is not bounded above. Therefore, the terms of the sequence are all strictly greater than zero but may continue to increase indefinitely.

For the sequence (a), the definition is given by: a1 = 1 and a+1 = 1 + an (n ≥ 1).

Therefore,a₂ = 1 + a₁= 1 + 1 = 2

a₃ = 1 + a₂ = 1 + 2 = 3

a₄ = 1 + a₃ = 1 + 3 = 4

a₅ = 1 + a₄ = 1 + 4 = 5 ...

The given sequence is called a recursive sequence since each term is described in terms of one or more previous terms.

For the given sequence (a),

each term of the sequence can be represented as:

a₁ < a₂ < a₃ < a₄ < ... < an

Therefore, the sequence (a) is monotone.

(b)The given sequence is given by: a₁ = 1 and a+1 = 1 + an (n ≥ 1).

Thus, a₂ = 1 + a₁ = 1 + 1 = 2

a₃ = 1 + a₂ = 1 + 2 = 3

a₄ = 1 + a₃ = 1 + 3 = 4...

From this, we observe that the sequence is strictly increasing and hence it is bounded from below. However, the sequence is not bounded from above, hence (2) is not bounded

This means that the terms of the sequence are all strictly greater than zero but may continue to increase indefinitely.

This can be shown graphically by plotting the terms of the sequence against the number of terms as shown below:

Graphical representation of sequence(a)The graph shows that the sequence is monotone since the terms of the sequence continue to increase but the sequence is not bounded from above as the terms of the sequence continue to increase indefinitely.

The given sequence (a) is monotone and (2) is bounded below but is not bounded above. Therefore, the terms of the sequence are all strictly greater than zero but may continue to increase indefinitely.

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The equations can be represented as follows:

[tex]\displaystyle x\cos\alpha +y\sin\alpha =p[/tex]

[tex]\displaystyle x\sin\alpha -y\cos\alpha =q[/tex]

where [tex]\displaystyle \alpha[/tex] represents an angle, [tex]\displaystyle x[/tex] and [tex]\displaystyle y[/tex] are variables, and [tex]\displaystyle p[/tex] and [tex]\displaystyle q[/tex] are constants.

[tex]\huge{\mathfrak{\colorbox{black}{\textcolor{lime}{I\:hope\:this\:helps\:!\:\:}}}}[/tex]

♥️ [tex]\large{\underline{\textcolor{red}{\mathcal{SUMIT\:\:ROY\:\:(:\:\:}}}}[/tex]

The given identity sinθtanθ = secθ - cosθ is not true. It does not hold for all values of θ.

To verify the given identity, we need to simplify both sides of the equation and check if they are equal for all values of θ.

Starting with the left-hand side (LHS), we have sinθtanθ. We can rewrite tanθ as sinθ/cosθ, so the LHS becomes sinθ(sinθ/cosθ). Simplifying further, we get sin²θ/cosθ.

Moving on to the right-hand side (RHS), we have secθ - cosθ. Since secθ is the reciprocal of cosθ, we can rewrite secθ as 1/cosθ. So the RHS becomes 1/cosθ - cosθ.

Now, if we compare the LHS (sin²θ/cosθ) and the RHS (1/cosθ - cosθ), we can see that they are not equivalent. The LHS involves the square of sinθ, while the RHS does not have any square terms. Therefore, the given identity sinθtanθ = secθ - cosθ is not true for all values of θ.

In conclusion, the given identity does not hold, and it is not a valid trigonometric identity.

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The correct option is:

c. y¹ = 3 + √(x - 7)

To find the inverse function of y = (x - 3)^2 + 7 for x > 3, we can follow these steps:

Step 1: Replace y with x and x with y in the given equation:

x = (y - 3)^2 + 7

Step 2: Solve the equation for y:

x - 7 = (y - 3)^2

√(x - 7) = y - 3

y - 3 = √(x - 7)

Step 3: Solve for y by adding 3 to both sides:

y = √(x - 7) + 3

So, the inverse function of y = (x - 3)^2 + 7 for x > 3 is y¹ = √(x - 7) + 3.

Therefore, the correct option is:

c. y¹ = 3 + √(x - 7)

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If the equation-52-6-172², the answers as integers or reduced fractions, separated by commas are 0,1 3,5 2, 5/2.

To solve the equation -52 - 6 - 172², the following steps should be taken:

1. Evaluate the expression 172². To do so, square 172 which will give you 29584.

2. Subtract the expression 52 + 6 from the result in step 1 (29584). This will be the next step.

29584 - 52 - 6 = 29526

3. Finally, z equals the square root of the expression in step 2. As a result, z equals 0,1 3,5 2, 5/2 as integers or reduced fractions, separated by commas.

As the given question is incomplete the complete question is "Solve the equation-52-6-172² Answer: z= 0,1 3,5 2 Give your answers as integers or reduced fractions, separated by commas"

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The sample space for a roll of a 5-sided die is {1, 2, 3, 4, 5}.

In probability theory, the sample space refers to the set of all possible outcomes of an experiment. In this case, we are rolling a 5-sided die, which means there are 5 possible outcomes. The outcomes are represented by the numbers 1, 2, 3, 4, and 5, as these are the numbers that can appear on the faces of the die. Thus, the sample space for this experiment can be expressed as {1, 2, 3, 4, 5}.

It is important to note that each outcome in the sample space is mutually exclusive, meaning that only one outcome can occur on a single roll of the die. Additionally, the outcomes are collectively exhaustive, as they encompass all the possible results of the experiment. By identifying the sample space, we can analyze and calculate probabilities associated with different events or combinations of outcomes.

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There is only one way to divide the 12 people into committees of sizes 3, 4, and 5, and the probability of this division occurring is 1.

To find the number of divisions possible and the probability, we need to consider the number of ways to divide 12 people into committees of sizes 3, 4, and 5.

First, we determine the number of ways to select the committee members:

For the committee of size 3, we can select 3 people from 12, which is represented by the combination "12 choose 3" or C(12, 3).

For the committee of size 4, we can select 4 people from the remaining 9 (after selecting the first committee), which is represented by C(9, 4).

Finally, for the committee of size 5, we can select 5 people from the remaining 5 (after selecting the first two committees), which is represented by C(5, 5).

To find the total number of divisions, we multiply these combinations together: Total divisions = C(12, 3) * C(9, 4) * C(5, 5)

To calculate the probability, we divide the total number of divisions by the total number of possible outcomes. Since each person can only be in one committee, the total number of possible outcomes is the total number of divisions.

Therefore, the probability is: Probability = Total divisions / Total divisions

Simplifying, we get: Probability = 1

This means that there is only one way to divide the 12 people into committees of sizes 3, 4, and 5, and the probability of this division occurring is 1.

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The given regressions analyze the relationship between wages and gender by considering the average hourly earnings for females and males in a population. The coefficients in the equations provide insights into the average wage differences between genders.

The given question asks us to consider three regressions that hold for the same population. The three regressions are as follows:

1. Wage = A0 + A1 * Female + Ui
2. Wage = B0 + B2 * Male + Vi
3. Wage = C1 * Female + C2 * Male + Ei

In these equations, "Wage" refers to average hourly earnings, "U," "V," and "E" are the error terms of the regressions, and "Female" is a variable that takes the value of 1 if the observation refers to a female and 0 if it refers to a male. Similarly, "Male" is a variable that takes the value of 1 if the observation refers to a male.

Let's break down these equations:

1. The first regression equation states that the wage is equal to A0 plus the product of A1 and the "Female" variable, added to an error term "Ui."

2. The second regression equation states that the wage is equal to B0 plus the product of B2 and the "Male" variable, added to an error term "Vi."

3. The third regression equation states that the wage is equal to the product of C1 and the "Female" variable, plus the product of C2 and the "Male" variable, added to an error term "Ei."

These regressions are used to analyze the relationship between wages and gender. By including the variables "Female" and "Male" in the equations, we can estimate the impact of gender on wages.

The coefficients A1, B2, and C1 represent the average difference in wages between females and males, while the coefficients A0, B0, and C2 represent the average wages for males when the respective gender variable is 0.

It's important to note that these equations are specific to the population being studied and the variables included in the analysis.

The error terms (Ui, Vi, and Ei) account for factors not included in the regressions that affect wages, such as education, experience, and other socioeconomic variables.

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To solve the differential equation y′=xy^2−x, with the initial condition y(1)=2, we can use the method of separation of variables. The solution to the differential equation y′=xy^2−x, with the initial condition y(1)=2, is y = -1/( (1/2)x^2 - (1/3)x^3 - 2/3 ).

Step 1: Rewrite the equation in a more convenient form:
y′=xy^2−x

Step 2: Separate the variables by moving all terms involving y to one side and all terms involving x to the other side:
y′ - y^2 = x - x^2

Step 3: Integrate both sides of the equation with respect to x:
∫(1/y^2) dy = ∫(x - x^2) dx

Step 4: Evaluate the integrals:
-1/y = (1/2)x^2 - (1/3)x^3 + C

Step 5: Solve for y by taking the reciprocal of both sides:
y = -1/( (1/2)x^2 - (1/3)x^3 + C )

Step 6: Use the initial condition y(1)=2 to find the value of C:
2 = -1/( (1/2)(1)^2 - (1/3)(1)^3 + C )
2 = -1/(1/2 - 1/3 + C)
2 = -1/(1/6 + C)
2 = -6/(1 + 6C)

Step 7: Solve for C:
1 + 6C = -6/2
1 + 6C = -3
6C = -4
C = -4/6
C = -2/3

Step 8: Substitute the value of C back into the equation for y:
y = -1/( (1/2)x^2 - (1/3)x^3 - 2/3 )

Therefore, the solution to the differential equation y′=xy^2−x, with the initial condition y(1)=2, is y = -1/( (1/2)x^2 - (1/3)x^3 - 2/3 ).

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The remaining equilibrium solutions P3 and P4 for the given system are P3 = (0, 0) and P4 = (1, 1).

To find the equilibrium solutions of the given system, we set the derivatives equal to zero. Starting with the first equation, dx/dt = 2x + x² - xy, we set this expression equal to zero and solve for x. By factoring out an x, we get x(2 + x - y) = 0. This implies that either x = 0 or 2 + x - y = 0.

If x = 0, then substituting this value into the second equation, dt/dy = y + y² - 2xy, gives us y + y² = 0. Factoring out a y, we have y(1 + y) = 0, which means either y = 0 or y = -1.

Now, let's consider the case when 2 + x - y = 0. Substituting this expression into the second equation, dt/dy = y + y² - 2xy, we get 2 + x - 2x = 0. Simplifying, we find -x + 2 = 0, which leads to x = 2. Substituting this value back into the first equation, we get 2 + 2 - y = 0, yielding y = 4.

Therefore, we have found three equilibrium solutions: P₁ = (8), P₂ = (-²), and P₃ = (0, 0). Additionally, from the case x = 2, we found another solution P₄ = (1, 1).

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Tim's monthly expenses amount to $2,156. So, the correct answer is $2,156.

To determine Tim's monthly expenses, we add up the costs of his rent, car payment, utilities, and food/entertainment expenses.

Rent: Tim pays $900 per month for his apartment.

Car payment: Tim pays $450 per month for his car.

Utilities: Tim's utilities cost $330 per month.

Food/entertainment: Tim spends $476 per month on food and entertainment. To find Tim's total monthly expenses, we add up these costs: $900 + $450 + $330 + $476 = $2,156.

Therefore, Tim's monthly expenses amount to $2,156.

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The ratios that could be the lengths of the two legs in a 30-60-90 triangle are √3:3 (option E) and 12√3 (option D).

In a 30-60-90 triangle, the angles are in the ratio of 1:2:3. The sides of this triangle are in a specific ratio that is consistent for all triangles with these angles. Let's analyze the given options to determine which ones could be the ratio between the lengths of the two legs.

A. √2:√2

The ratio √2:√2 simplifies to 1:1, which is not the correct ratio for a 30-60-90 triangle. Therefore, option A is not applicable.

B. 15

This is a specific value and not a ratio. Therefore, option B is not applicable.

C. √√√√5

The expression √√√√5 is not a well-defined mathematical operation. Therefore, option C is not applicable.

D. 12√3

This is the correct ratio for a 30-60-90 triangle. The ratio of the longer leg to the shorter leg is √3:1, which simplifies to √3:3. Therefore, option D is applicable.

E. √3:3

This is the correct ratio for a 30-60-90 triangle. The ratio of the longer leg to the shorter leg is √3:1, which is equivalent to √3:3. Therefore, option E is applicable.

F. √2:√5

This ratio does not match the ratio of the sides in a 30-60-90 triangle. Therefore, option F is not applicable. So, the correct option is D. 1 √2.

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The value of the triple integral is -27 when expressed in the dzdydx orientation.

Given, a solid, G is bounded in the first octant by the cylinder x²+z²=3², plane y=x, and y=0.

We are to express the triple integral ∭ G dV in four different orientations in Cartesian coordinates dzdydx, dzdxdy, dydzdx, and dydxdz and choose one of the orientations to evaluate the integral.

In order to express the triple integral ∭ G dV in four different orientations, we need to identify the bounds of integration with respect to x, y and z.

Since the solid is bounded in the first octant, we have:

0 ≤ y ≤ x

0 ≤ x ≤ 3

0 ≤ z ≤ √(9 - x²)

Now, let's express the integral in each of the given orientations:

dzdydx: ∫[0,3] ∫[0,x] ∫[0,√(9 - x²)] dzdydx

dzdxdy: ∫[0,3] ∫[0,√(9 - x²)] ∫[0,x] dzdxdy

dydzdx: ∫[0,3] ∫[0,x] ∫[0,√(9 - x²)] dydzdx

dydxdz: ∫[0,3] ∫[0,√(9 - x²)] ∫[0,x] dydxdz

Let's evaluate the integral in the dzdydx orientation:

∫[0,3] ∫[0,x] ∫[0,√(9 - x²)] dzdydx

= ∫[0,3] ∫[0,x] [√(9 - x²)] dydx

= ∫[0,3] [(1/2)(9 - x²)^(3/2)] dx

= [-(1/2)(9 - x²)^(5/2)] from 0 to 3

= 27/2 - 81/2

= -27

Therefore, the value of the triple integral is -27 when expressed in the dzdydx orientation.

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