Question

Let f(x) = -3x - 4 and g(x) = 2x - 6. Find

Answer 1

find (fog)(-7)

Answer 2

(-3x-4)(2x-6)
(-3(-7)-4)(2(-7)-6)
(21-4)(-14-6)
(17)(-20)
-340
You basically take both functions and substitute x with -7, then once you do the adding or subtracting with multiplication within the parentheses, you distribute the two numbers together.

Answer 3

Hopefully this is correct.

Answer 4

the answer is not one of the answers on my paper

Answer 5

Another answer that I got was 71

Answer 6

Because x = -7, so you have to substitute x with -7.

Answer 7

What are your answer choices?

Answer 8

A. x - 11


B. x + 3


C. -11x - 11


D. -11x = 3b

Answer 9

hold on that's the wrong problem

Answer 10

a.28
b.-20
c. 17
d. 56

Answer 11

So it's suppose to be
(f*g)(-7) = -3x - 4 * 2x - 6
Correct?