Question

Simplify the expression

Answer 1

f(y) = y

g(y) = y - 6

Explanation:

`(y^2+6y)/(y^2-36)\qquad\qquad\qquad\qquad y\\e6\,,y\\e-6 \\\\ \\(y^2+6y)/(y^2-36)=(y\cdot y+6\cdot y)/(y^2-6^2)=(y(y+6))/((y+6)(y-6))=(y)/((y-6))\\\\\\f(y)=y\\\\g(y)=y-6`