Let $f(x)=x^2-12$ and $g(x)=15-x$ , how do you find $(f/g)(5)$ ?

Question

7106 views around the world

You can reuse this answer
Creative Commons License

Answer 1 · 2016-11-22T22:21:27

$(f/g)=1.3$

$f(x)=x^2-12$
$g(x)=15-x$
$(f/g)(5)$

$(f/g)(x)= (x^2-12)/(15-x)$

$(f/g)(5)=((5)^2-12)/(15-(5))$

$(f/g)(5)=(25-12)/(15-5)$

$(f/g)(5)=13/10$

$(f/g)(5)=1.3$

Let f(x)=x^2-12f(x)=x^2-12 and g(x)=15-xg(x)=15-x, how do you find (f/g)(5)(f/g)(5)?