Question

F (x) = x + 5 and g(x) = 2x Find (f +g)(x)

Answer 1

Explanation:

f(x)=x+5 and g(x)=2x

(f∘g)(x)=f(g(x))=f(2x)=5+(2x)=2x+5

(g∘f)(x)=g(f(x))=g(x+5)=2(x+5)=2x+10

(f∘g)(x)=2x+5

(g∘f)(x)=2x+10