Evaluate composite functions

Question

F(a)=sqrt A g(b)=1/b (g•f)(0.25)=

Answer 1

First step here is to do f(.25) Since this is easier to see as a fraction, I will rewrite as f(1/4)

f(1/4) = √1/4 = 1/2

With this result, you then go g(1/2)

g(1/2) = 1/(1/2) = 2