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Mariulka [41]
3 years ago
7

If f(x) = -8x – 6 and g(x) = x+8, what is (fºg)(-7)? Enter the correct answer.

Mathematics
1 answer:
Semmy [17]3 years ago
6 0

9514 1404 393

Answer:

  -14

Step-by-step explanation:

  (f\circ g)(x)=f(g(x))=f(x+8)=-8(x+8)-6\\\\(f\circ g)(x)=-8x-70\\\\(f\circ g)(-7)=-8(-7)-70=\boxed{-14}

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(6x-5)+(-7x+2)<br> and <br> (6x-5)-(-7x+2)<br> Need work
tia_tia [17]

Answer:(6x-5)+(-7x+2)

1 Remove parentheses.

6x-5-7x+2

2 Collect like terms.

(6x-7x)+(-5+2)

3 Simplify.

-x-3

_____________________________

1 Remove parentheses.

6x-5+7x-2

6x−5+7x−2

2 Collect like terms.

(6x+7x)+(-5-2)

3 Simplify.

13x-7

Hope this helps

                                                                <em>-Tobie the dog <3</em>

7 0
3 years ago
Jamie has an old CD that she wants to use for an art project. The circumstance of the CD is 22 cm and she would like to cut from
nirvana33 [79]

Answer: 10 cm


Step-by-step explanation:

The circumference of the CD = 22\pi


We know that the formula of the circumference is:


Circumference = 2\pi r


We will substitute the value of circumference to find the radius:


22 pi = 2 x pi x r


r = 11


Therefore its radius will be 22 / 2 = 11 cm


Jamie wants to cut the CD from the middle of the CD to one side but leaving one cm. To find the measurement of the cut portion, we will subtract 1 from 11 to get:


11 - 1 = 10 cm

8 0
4 years ago
Find the distance between the points (2,-1) and (-1,-4). Round your answer to the nearest hundredth.
romanna [79]

Answer:

4.24

Step-by-step explanation:

8 0
3 years ago
Write the direct variation function given that y varies directly with x, and y = 16 when x = 4.
Otrada [13]

Answer:

Very little information is given, leaving room to multiple possible functions, however i would expect it to be y = 4x

Step-by-step explanation:

x * z = y

4 * z = 16

z = 16/4

z = 4

5 0
3 years ago
What is the value of "x" if -2(3x+2)&gt;-8x+6
lukranit [14]

Answer:

<h2>x > 5</h2>

Step-by-step explanation:

-2(3x+2) > -8x+6

Expand the terms

That's

- 6x - 4 > - 8x + 6

- 6x + 8x > 6 + 4

2x > 10

Divide both sides by 5

<h3>x > 5</h3>

Hope this helps you.

3 0
3 years ago
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