Question

If f(x) = x + 4 and g(x) = x^3, what is (gºf)(-3)?

Answer 1

1

Explanation:

This is a composite function. f(-3) becomes the input to g(x) = x^3:

(gºf)(-3) = g[f(-3)] where f(-3) = -3 + 4 = 1

Then (gºf)(-3) = (1)^3 = 1 (answer)

(gºf)(-3) = 1