Question

If f(x) = 8 - 10x and g(x) = 5x + 4, what is the value of (f9) (-2)?

Answer 1

(f*g) (-2) = -168

Explanation:

Your "(f9) (-2)" seems to be improperly formed. If you actually meant:

(f*g) (-2), then f(-2) = 28 and g(-2) = - 6, and so:

(f*g) (-2) = 28(-6) = -168