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Math Help - What is the vertical asymptote

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    What is the vertical asymptote

    (3x) / (x^2 + 2)
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    Quote Originally Posted by tsmith View Post
    (3x) / (x^2 + 2)
    Since x^2 + 2 has no real solution there is no vertical asymptote. There is however a horizontal asymptote. (And this curve is one of my favourite examples to show students who very wrongly believe that a curve can never cross an asymptote. Vertical asymptotes can never be crossed or touched. However, it's a different story for horizontal asymptotes ....)
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