Question

If `f(x) = sqrt(x+8)` and `g(x) = sqrt(x+7)`, what is `(f+g)(x)`?

Answer 1

`(f +g)(x)=sqrt(x+8)+sqrt(x+7)`

Explanation:

`(f +g)(x)= f(x)+g(x)=(sqrt(x+8))+(sqrt(x+7))`

Removing parenthesis:

`sqrt(x+8)+sqrt(x+7)`

`(f +g)(x)=sqrt(x+8)+sqrt(x+7)`