Question

Given that f and g are defined by f(x) = √x and g(x) = x2 – 1, find the following:
a.) (f o f)(x)
b. (g o g)(x)
c.) (g o f)(x)
help me with some pls

Answer 1

(f o f)(x) = f(f) = √f = √(√x) = x^(1/4)
Now try the others