Question

Let f(x) = x + 5 and g(x) = x – 4.
Find (f + g)(x)

Answer 1

(f∘g)(x)=5x (g∘f)(x)=5x+165. Explanation: Finding (f∘g)(x) means finding f(x) when it is composed with g(x) , or f(g(x)) .