Question

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

Answer 1

f(h(x) ) = 2x - 4

Explanation:

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

f(h(x) )

= f(2x + 3)

= 2x + 3 - 7

= 2x - 4