Question

If f(x)=-8x+8 and g(x) = sqrt x-9 what is (f•g)(18)

Answer 1

-16 is the answer

Explanation:

Answer 2

-16

Explanation:

f(x)=-8x+8 and g(x) = sqrt x-9

(f•g)(18)=f(g(18))

g(18)=sqrt(18-9)=sqrt9=3

f(3)=-24+8=-16