Question

Given f(x) = -6x - 1 and g(x) = x3, choose
the expression for fºg)(x).

Answer 1

- 6x³ - 1

Explanation:

Substitute x = g(x) into f(x), that is

(f ￮ g)(x)

= f(x³ )

= - 6(x³) - 1

= - 6x³ - 1