SOLUTION: x + 5 / x^2 - 49 Find the domain of the rational function

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Question 370104: x + 5 / x^2 - 49
Find the domain of the rational function
Answer by Fombitz(32388) About Me  (Show Source):
You can put this solution on YOUR website!
THe domain is all x values for which the function is defined.
The function is undefined when the denominator equals zero since division by zero is undefined.
x%5E2-49=0
x=0+%2B-+7
So the domain is all x except x=7 and x=-7
In interval notation,
(-infinity,-7) U (-7,7) U (7,infinity)