SOLUTION: find the domain of x sqrd/(x sqrd-9)

Question 842839: find the domain of x sqrd/(x sqrd-9)

Answer by Fombitz(32388) (Show Source): You can put this solution on YOUR website!
Use the caret to denote a power.
x^2=
Look for values of when the denominator equals zero since division by zero is undefined.

Two solutions:

and

So then the domain is all values except x=3 and x=-3
(,)U(,)U(,)

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