Question

If f(x) = 4x and g(x) = 2х – 1, what is g(f(-2))?
-17
-13
-8
-5

Answer 1

- 17

Explanation:

Evaluate f(- 2) then substitute the value obtained into g(x)

f(- 2) = 4(- 2) = - 8, then

g(- 8) = 2(- 8) - 1 = - 16 - 1 = - 17