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Reciprocal of a cubic function

  1. Oct 22, 2009 #1
    Is it possible to have the reciprocal of a cubic function that does not have any vertical asymptotes?
  2. jcsd
  3. Oct 22, 2009 #2
    If the reciprocal has no vertical asymptotes, then the cubic function would have no roots. No such cubic exists.
  4. Oct 22, 2009 #3
    Yeah.. thought so. I guess for all reciprocal functions, there will always be a vertical asymptote.
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