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July 4, 2015

July 4, 2015

Posted by **anon** on Tuesday, October 14, 2008 at 1:58am.

The rational function must have a vertical asymptote. thanks for any help.

- precal -
**drwls**, Tuesday, October 14, 2008 at 4:39amy = 1/x is asymptotic to both the x and y axes. But it is not a polynomial. You need to have a denominator vanish at some value of x to have a vertical asymptote.