Question

Given f(x)=x-7 and h(x)=2x+3 what is the rule for h(f(x))

Answer 1

h(f(x)) = 2x - 11

Explanation:

To evaluate h(f(x)) substitute x = f(x) into h(x)

h(x - 7)

= 2(x - 7) + 3

= 2x - 14 + 3

= 2x - 11