Question

If f(x) = 4 and g(x) = x^2 - 1. What is (g*f)(x)

Answer 1

15

Explanation:

g(x)=x^2-1

g*f(x)

g(4)

4^2-1

16-1

15

Answer 2

4x^2 - 4.

Explanation:

(g*f)(x) = g(f) * f(x)

= (x^2 - 1)* 4

= 4x^2 - 4 (answer).