Question

Let f(x) = x + 7 and g(x) = x - 2. What is f(x) * g(x)?

Answer 1

(x+7)(x-2) = x^2 -2x + 7x - 14 = x^2 + 5x - 14

Answer 2

if you could vote it best answer it would be appreciated

Answer 3

Let f(x) = x - 2 and g(x) = 3x + 4. What is f(g(x))

Answer 4

you plug g into f. So it would be (x - 2) + 7 = x + 5

Answer 5

Thats not an option...

Answer 6

what's the options

Answer 7

a. 2x - 2
b. 3x + 2
c. 4x + 2
d. 2x + 6

Answer 8

oh, sorry I used the old equations. it would be (3x + 4) -2 which is 3x +2, which is b