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Mathematics 9 Online
OpenStudy (anonymous):

find the -values (if any) at which is not continuous. Which of the discontinuities are removable?

OpenStudy (anonymous):

\[f(x)=\frac{ x-3 }{ x ^{2}-9 }\]

OpenStudy (anonymous):

factor and cancel

OpenStudy (anonymous):

the discontinuities are the zeros of the denominator once you factor and cancel,the remaining zero is not removable the other one has been removed

OpenStudy (anonymous):

so the answer is 3?

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