Asymptotes and Limits at Infinity

AP Calculus AB· difficulty 2/5

Same f(x)=x2/(x21)f(x) = x^2/(x^2 - 1), vertical asymptotes at

  • A

    None

  • B

    x=1x = 1 only

  • C

    x=0x = 0 only

  • D

    x=±1x = \pm 1

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Explanation

Denominator zero at x=±1x = \pm 1, numerator nonzero there.

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