Question

If h(x) = x – 7 and g(x) = x2, which expression is equivalent to (gxh)(5)??

Answer 1

We want g(h(5)).

First find h(5).

h(5) = 5 - 7

h(5) = -2

We now find g(-2).

g(x) = x^2

g(- 2) = (-2)^2

g(-2) = 4

In conclusion, g(h(5)) = 4.