Question

For (x)=3x+1 and g(x)=x^2 -6, find (f+g)(x)

Answer 1

(f + g)(x) = x² + 3x - 5

Explanation:

`(f+g)(x)=f(x)+g(x)\\\\f(x)=3x+1;\ g(x)=x^2-6\\\\(f+g)(x)=(3x+1)+(x^2-6)=x^2+3x+1-6=x^2+3x-5`