Question

Which of the following will form the composite function G(F(x)) shown
below? G(F(x))=(x+4)^3-1

Answer 1

B

Explanation:

(x + 4)³ - 1 = u³ - 1, u = x + 4

so G(u) = u³ - 1, F(x) = x + 4

or, F(x) = x + 4, G(x) = x³ - 1

B