Question

If f(x) = 12x and g(x) = -4x-12, find (f ·g)(x).

A.) -48x^2 - 12x
B.) -48x^2 - 144x
C.) -4x^2 - 144x
D.) -192x^2

Answer 1

`-48x^2 - 144x`

Explanation:

`(f \cdot g)(x)=f(x) \cdot g(x) \\ \\ =12x(-4x-12) \\ \\ =-48x^2-144x`