Find function

Question

(f•g) (1) f(x)=x(squared) g(x)=square root x

Answer 1

I'll assume you're looking for f of g (1). Let's first find (f•g)(x). We'll plug g(x) = √x into f(x) = x²:

 

(f•g)(x) = f(g(x)) = (g(x))² = (√x)² = x

 

This means that (f•g)(1) = 1.