Question

Find composite function

Answer 1

1 / (99 - 40x).

Explanation:

The whole of g(x) is input to f(x), so:

we replace the x in f(x) by g(x).

f(g(x)) = 1 / [8(12 - 5x) + 3]

= 1 /( 96 - 40x + 3)

= 1 / (99 - 40x).