Question

Find (g*f)(3)

f(x)= 7x + 8
g(x)= -1/x

Answer 1

-21-24/x

Explanation:

f(x) is a function on his own which is f(x)=7x+8

we multiple it with another function which is g(x)=-1/x

that gives us (g*f)=-7-8/x

then multiple it by 3 we have -21-24x