Question

If f(x) = - 3x – 3, g(x)= - 3x² + 5x + 5, and h(x) = 7x² + 5, find f( - 2).

( f(-2) =
(Simplify your answer.)

(ANSWER QUICKLY)

Answer 1

f(-2) = 3

Explanation:

f(x) = -3x-3

f(-2) = -3(-2)-3

so, f(-2) = 6-3

so, f(-2) = 3