Question

If f(x)=3x^2 and g(x)= x+2, find (f *g) (x)

A. 3x^3+6x
B. 3x^2+6x
C.3x^3+6x^2
D.x^3+2

Answer 1

Hi there

(f *g) (x) =3x^2×(x+2)
(f *g) (x)=3x^2×x+3x^2×2
(f *g) (x)=3x^3+6x^2

So it's c

Best of luck!