3) Let h(x)= |2x|-4. Find h(x) when x = -7.
a) -10
b) 10
c) -13
d) 13

Answers

Answer 1

Answer:

[tex]h(x) = 10[/tex]

Step-by-step explanation:

Given

[tex]h(x) = |2x| - 4[/tex]

[tex]x = -7[/tex]

Find h(x)

Substitute -7 for x

[tex]h(x) = |2*-7| - 4[/tex]

[tex]h(x) = |-14| - 4[/tex]

Absolute values return positive. So:

[tex]h(x) = 14 - 4[/tex]

[tex]h(x) = 10[/tex]


Related Questions


[tex]4x - {x}^{3} [/tex]


Answers

x(2+x)(2-x) I think that’s correct
X(4 - x^2)do you want to factor?

Karla invests $10,000 into an account with a 2.2% interest that is compounded annually.
How much money will she have in this account if she keeps it for 5 years?

Answers

See photo. Hope it helps

$11, 162.78 amount she have in this account if she keeps it for 5 years.

What is Future value?

Future value (FV) is a financial concept that provides a monetary worth to an asset depending on future variables such as interest rates or cashflows. An investor may find it valuable to know how much their investment will be worth in five years given a projected rate of return. Future value is calculated by taking the investment value now, applying predicted growth, and estimating what the investment will be in the future.

We have,

P = $10,000

R= 2.2%

T= 5 years

So, Amount after 5 years

= P (1 + r/2[tex])^{2t[/tex]

= 10,000 (1 + 0.011[tex])^{0.022(5)}\\[/tex]

= $11, 162.78

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Simplify 3^2 ⋅ 3^5
^ = are exponents
A 3^7

b
3^10

c
9^7

d
9^10

Answers

Answer:

B

Step-by-step explanation:

when simplifying base stays the same we only deal with exponent I think I need help too

Domain and range of graph need ASAP

Answers

Answer:

Domain: [tex]-6 \leq x \leq 3[/tex]

Range: [tex]-3 \leq x \leq 6[/tex]

Step-by-step explanation:

The domain is the set of real values which can be inputted into a function and produce a real output. In this case, the domain is the following: [tex]-6 \leq x \leq 3[/tex], because this is the set of real values for which the function will produce a real output.

The range is the set of real values which a function outputs when a value from the domain is entered into the function. This is the set of y-values that one can see on the graph, the possible y-values are in between (-3) and (6).

if y=10 when x=5 what does y equals when x=0.2

Answers

Answer:

.4

Step-by-step explanation:

y=2x

y=2(.2)

y=.4

there is your answer

It would be 0.4 I think

What is the correct expanded form and value of 43?
O 4+4+4= 12
O 4.4.4=64
O 3+3+3+3= 12
O 3.3.3.3= 81

Answers

Your answer would be 4.4.4=64.

Answer:

B. 4・4・4= 46 I hope it helps.

A recipe for potato casserole calls for 7/4 cups of cheese. Write the fractions as a mixed number.

Answers

7/4

4 goes into 7 one time.
3 left over.

1 3/4

Which algebraic expression is a polynomial with a degree of 5?

3x5 + 8x4y2 – 9x3y3 – 6y5
2xy4 + 4x2y3 – 6x3y2 – 7x4
8y6 + y5 – 5xy3 + 7x2y2 – x3y – 6x4
–6xy5 + 5x2y3 – x3y2 + 2x2y3 – 3xy5

Answers

First one ..............

In a complete sentence, describe the relevant angle relationships in the following diagram. Find the measures of 푥푥 and 푦푦.

Answers

Answer:

Um, what is 푦푦?

Step-by-step explanation:

Answer:

Yes, but actually yes.

Step-by-step explanation:

10 x 3 thousands how many thousands are in the answer

Answers

Answer:

30 thousands, or 30,000 units.

Step-by-step explanation:

Since the question refers to 10 x 3 thousands, to determine how many thousands are in the answer, the following calculation must be performed:

10 x 3 = 30

So there are 30 thousand in the answer, which is equal to 30,000.

Samir just finished renovating a house during the renovation he added a steel beam as a support the steel beam was 15 feet long and cost $135 complete the statement by selecting the correct dollar amount from the provided list

the cost of the beam was _______per yard​

Answers

Answer:

$27

Step-by-step explanation:

According to your question. The complete cost was $135 for a fifteen feet long beam. If you are looking for the price per yard, a yard has three feet, therefore in fifteen feet, there are five yards.

15 divided into 3 equals 5

$135 divided into five equals $27

I hope this helps.

which rule descibes the pattern?

Answers

Answer:

-1/2

Step-by-step explanation:

I think not 100% sure tho

Answer:

“multiply by 2 and then subtract 1.

Step-by-step explanation:

An automobile engineer is redesigning a conical chamber that was originally specified to be 12 inches long with a circular base of diameter
5.7 inches. In the new design, the chamber is scaled by a factor of 1.5.
The volume of the original chamber is
V cubic inches. This i
v cubic inches less than the volume of the new
chamber.

Answers

Answer:

the original volume is lesser than the new volume by 242.47 in³

Step-by-step explanation:

Volume of a cone is;

V = ⅓πr²h

Where;

r is radius

h is height

For the original chamber;

r = 5.7/2 = 2.85 inches

h = 12 inches

Volume of this original chamber is;

V_orig = ⅓ × π × 2.85² × 12

V_orig = 102.02 in³

In the new design, the chamber is scaled by a factor of 1.5.

Thus;

r_new = 2.85 × 1.5 = 4.275 inches

h_new = 12 × 1.5 = 18 inches

V_new = ⅓ × π × 4.275² × 18

V_new = 344.49 inch³

V_new - V_orig = 344.49 - 102.02 =

Thus, the original volume is lesser than the new volume by 242.47 in³

2. Three pairs of jeans and six shirts cost $104.25. The cost of 4 pairs of jeans and 5 shirts
is $112.15. Find the cost of each pair of jeans and each shirt.

Answers

Answer:jeans = x = 16.85

shirts = y = 8.95

Step-by-step explanation:

That’s the answer bud

What is the recursive formula for this arithmetic sequence?
-7, -1, 5, 11, ...

Answers

Answer:

The answer is A

Step-by-step explanation:

why it is a is...

the first like is the # your arithmetic sentence starts with which is -1

the second line is what you do to get to the next #

each time you are adding 6

An arithmetic sequence is a sequence of integers with its adjacent terms differing with one common difference. The correct option is A.

What is an arithmetic sequence?

An arithmetic sequence is a sequence of integers with its adjacent terms differing with one common difference.

The explicit formula for any arithmetic series is given by the formula,

[tex]a_n = a_1 + (n-1)d[/tex]

Also, the recursive formula for any arithmetic series is given by the formula,

[tex]a_n = a_{(n-1)} + d\\\\[/tex]

Or, it can be also written as,

[tex]a_{(n+1)} = a_{n} + d[/tex]

where d is the difference and a₁ is the first term of the sequence.

For the given arithmetic sequence, the common difference can be written as,

Common difference = -1 - (-7)

                                  = -1 + 7

                                  = 6

Now, the recursive formula for this arithmetic sequence can be written as,

[tex]a_n = a_{(n-1)} + 6[/tex]

Also, the first term of the given arithmetic series is -7.

a₁ = -7

Hence, the correct option is A.

Learn more about Arithmetic Sequence:

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point b is 8 units away for the origin

Answers

Answer:

ok

Step-by-step explanation:

Grandma Bunga is 52 years older than Melati. She is 5 times older than Melati. How old
is Grandma Bunga?

Answers

Answer:

65

Step-by-step explanation:

x=52+y

x=5y

y=x/5

x=52+(x/5)

x-(x/5)=52

(5x-x)/5=52

4x=52×5

4x=260

x=260/4

x=65

Bunga is 65 yrs old

Metali is 13 yrs old

is this a function ???????

Answers

No, a function has one input and one output
No , because a function has one input and output


[tex]4x + 2x = 20 \\ x + 3x = 50[/tex]
simotenus equation ​

Answers

Answer:

I think there is an error in the question, I assume it reads:

4x+2y=20

x+3y=50

If not, please make appropriate corrections to the question.

Answer: x=-4, y=18

Step-by-step explanation:

4x+2y=20

Simplify, divide by two,

2x+y=10.....................(1)

x+3y=50....................(2)

Multiply (2) by 2

2x+6y=100 ....................(2a)

Subtract (1) from (2a)

2x+6y - (2x+y) = 100 - 10

5y = 90

y=18..............................(3)

Substitute (3) into (1)

2x+(18)=10

2x = 10-18 =-8

x=-4  ............................(4)

Substitute (3) and (4) into (1) for verification

2x+y = 2(-4)+18 = 18-10 = 10   checks.

Substitute (3) and (4) into (2) for verification

x+3y=-4+3(18) = -4+54 = 50  checks.

Have a nice day!

i need help <3 <3 <3 <3 <3 <3 <3 <3 <3 <3 <3\

Answers

Answer:

the cordnate for X is 2 the cordnate for Y is -2

Answer: the coordinate for X is 2 the coordinate for Y is -2.

Step-by-step explanation:

The sixth grade class is going to the local art musem's dinoaurexhibit. There was 52 students in the class. The total cost of the tickets for all the students is $364. What is the cost of one student ticket? ​

Answers

They would be $7 each keep up the good work my guy
The answer is 7 because 364 divided by 52 is 7

1+1=???????????????????​

Answers

Answer:

I.d.k I think 1 :)

Step-by-step explanation:

have a great day

Use a linear approximation (or differentials) to estimate the given number. (Round your answer to two decimal places.) (1.999)3

Answers

Consider the function f(x) = x ³. Since 2³ = 8 is a perfect cube that is pretty close to x = 1.999, take the linear approximation to f(x) at x = 2. It is

f(x)L(x) = f (2) + f ' (2) (x - 2)

Compute the derivative:

f(x) = x ³   →   f ' (x) = 3x ²   →   f ' (2) = 12

Then

L(x) = 8 + 12 (x - 2) = 12x - 16

Now approximate 1.999³ :

f (1.999) ≈ L (1.999) = 12•1.999 - 16 = 7.988

(Compare this to the actual value, 7.98801.)

Can someone tell me the answer pls

Answers

Answer: The second and the last answer are correct

Step-by-step explanation:

What is the surface area of the rectangular prism?



16 cm 2
48 cm 2
96 cm 2
80 cm 2

Answers

Answer:

Surface area = 80 cm²

Step-by-step explanation:

Surface Area of rectangular prism = 2(LW + LH + WH)

L = 4 cm

W = 4 cm

H = 3 cm

Plug in the values

Surface Area = 2(4*4 + 4*3 + 4*3) = 2(16 + 12 + 12)

Surface Area = 2(40) = 80 cm²

8/9+8/9
enter answer as a fraction​

Answers

16/9 also known as 1 7/9

Find the average rate of change of f(x)=2x^2-8x from x=2 to x=5. Simplify your answer as much as possible.

Answers

f(x)=2x^2-8x from x=2 to x=5. Simplify your answer as much.

We need to find [f(b) - f(a)]/(b - a).

Let a = 2

Let b = 5

f(2) = 2(2)^2 - 8(2)

f(2) = 8 - 16

f(2) = -8

We now find f(5).

f(5) = 2(5)^2 - 8(5)

f(5) = 50 - 40

f(5) = 40

[f(5) - f(2)]/(5 - 2)

(40 - (-8))/(3)

(40 + 8)/3

48/3 = 16

The average rate of change is 16.

Find the area of the figure. 8.5 cm 9.5 cm 24 cm The area of the figure is_______cm2

Answers

The answer is 432 cm^2.

Answer:

432 is the blank

Step-by-step explanation:

I just did this problem

If DB = 18cm and AC = 24cm, Use the properties of rhombus to find the length of one side of the rhombus please helppp!!!!

Answers

Answer:

15 cm

Step-by-step explanation:

You need to remember 2 theorems about a rhombus.

1.  The diagonals of a rhombus bisect each other

2.  The diagonals of a rhombus are perpendicular to each other

In other words, the diagonals of a rhombus are perpendicular bisectors.

BE = 9 and AE = 12

ΔAEB is a right triangle.  So, the Pythagorean theorem says

[tex]9^{2} + 12^{2} = AB^{2}[/tex]

[tex]AB^{2}[/tex] = 81 + 144

       = 225

AB = [tex]\sqrt{225} = 15[/tex] cm

3/5 x ?/? = 3/5 plz im on a test!

Answers

Answer:

Dont say its a test youll get reported and banned by brainly

Step-by-step explanation: also the answer is:  3/5 x 3/5 = 925 = 0.36

Answer: 1/1

Step-by-step explanation:

1/1 because it = 1 so that means 3/5 x 1/1 is 3/5

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