SOLUTION: Find the domain of the rational function f(x)= 9x /(x+5)(x+3)

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Question 961710: Find the domain of the rational function f(x)= 9x /(x+5)(x+3)
Answer by Fombitz(32388) About Me  (Show Source):
You can put this solution on YOUR website!
The only restrictions are values that make the denominator go to zero since division by zero is undefined.
x%2B5=0
x=-5
and
x%2B3=0
x=-3
So in interval notation,
(-infinity,-5)U(-5-3)U(-3infinity)