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Mathematics 18 Online
OpenStudy (anonymous):

State the vertical asymptote of the rational function. f(x) = ((x-9)(x+2))/(x^2 -4)

OpenStudy (psymon):

Well, you want to factor out the bottom and see what does or does not cancel. If a term on the bottom cancels, then that factor is only solving for a hole. So you will factor the bottom, see which term DOES NOT cancel, and solve x for x for that value.

OpenStudy (anonymous):

thank you very much (:

OpenStudy (psymon):

Yeah, np :3

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