Question

Had someone explain it and I didn’t get it still

Answer 1

From the question:

Let f(x) = 2x² + 2x - 8

g(x) = √x - 2

We are aske to write f(g(x))

f(x) = 2x² + 2x - 8, g(x) = √x - 2

g(x) = √x - 2

= f(√x - 2)

f(√x - 2): 2x + 2√x - 2 - 12

f(g(x)) = 2x - 12 + 2√x - 2.