Inverse Function

Question

If f(x)= 3x+5 and g(x) =x-1, The g[f(0)]=?

Answer 1

First, evaluate f(0).  This will be the input of g(x).

 

f(0) = 5

 

 

g(5) = 5 - 1

       = 4

 

g[f(0)] = 4