Question

If f(x)=x+7 and g(x)=1/x what is (fog)(x)

Answer 1

D. (fog)(x)= 1/x+7

Explanation:

edge 2021

Answer 2

`f(x)=x+7,\ g(x)=(1)/(x)\\\\(f\ \circ\ g)(x):\\\\\text{Change x to} \ (1)/(x)\ \text{in the equation of } f(x):\\\\\boxed{(f\ \circ\ g)(x)=(1)/(x)+7}`