Answer:
4x³
Explanation:
substitute x = f(x) into g(x)
(g ○ f)(x)
= g(f(x))
= g(x³ - 1)
= 4(x³ - 1) + 4
= 4x³ - 4 + 4
= 4x³
3.4m questions
4.3m answers