Question

If f(x)=25-x^2 and g(x)=x+5, what is (f/g) (x)? Wire your answer in simplest form

Answer 1

f(x)=25-x^2 and g(x)=x+5
(f/g) (x)=(25-x^2 )/(x+5)
25-x^2=(5-x)(5+x)
(f/g) (x)=(5-x)(5+x)/(x+5)

cancle out x+5

(f/g) (x)=(5-x)