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Math Help - Finding horizontal asymptote.

  1. #1
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    Finding horizontal asymptote.

    How do you find the horizontal asymptote of:

    13x/(x+18)

    I believe the vertical asymptote is -18, because -18 + 18 = 0
    Last edited by mr fantastic; December 5th 2010 at 01:58 PM.
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  2. #2
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    since the degree is the same with the numerator and denominator, you divide the leading coefficients. 13/1 = 13
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  3. #3
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    \frac{13x}{x+18} = 13-\frac{234}{x+18}
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  4. #4
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    By the way, the vertical asymptote is the vertical line y= -18, not just the number "-18".
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