Question

F(x)=2x-1
g(x)=2x+4
Find (f+g)(x)

Answer 1

(f+g)(x)=4x+3

Explanation:

Given the functions f and g defined above, their sum f+g is defined by (f+g)(x)=f(x)+g(x). Using algebra, we thus have (f+g)(x)=2x-1+2x+4=4x+3.