Question

Given f(x) = x^2 + 5, g(x) = √x, and h(x) = x - 4, perform each operation.

f(g(x)) = ?

Answer 1

Answer: x + 5

Explanation:

f(x) = x² + 5 g(x) = √x

f(g(x)) = (√x)² + 5 (replaced the x in f(x) with √x)

= x + 5