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

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Answer 1 · 2017-11-11T16:24:42

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

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

Removing parenthesis:

$sqrt(x+8)+sqrt(x+7)$

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

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