Question

Given f (x) = 4x^4 – 15 and 9 (x) = 2x + 11
(gof)(x)

Answer 1

8x^4 - 19

Explanation:

g(f(x)) = g(4x^4 - 15) = 2 (4x^4 - 15) + 11

= 8x^4 - 30 + 11

= 8x^4 - 19