Question

=-

If f(x) = x² - 7x+5 and g(x) = - 4x, find the following composition.
(fog)(2)
(fog)(2) =
=
(Simplify your answer.)

Answer 1

Explanation:

f(x) = x² - 7x+5 and g(x) = - 4x

(fog) (x) = (-4x)² -7(-4x) +5

= 16x² +28x +5

(fog)(2) = 16(2)² +28(2) +5

= 64 +56 +5

= 125