Question

If f(x) = 2x - 6 and g(x) = x^3, what is (gºf)(6)?
Enter the correct answer.

Answer 1

NOTE: (gºf)(6) means g(f(6)).

First find f(6).

f(6) = 2(6) - 6

f(6) = 12 - 6 or 6.

We now find g(6).

g(6) = (6)^3

g(6) = 216

ANSWER:

(gºf)(6) = 216