Nonlinear Functions

SAT Math· difficulty 3/5

Which equation has a vertical asymptote at x=0x = 0 and horizontal asymptote at y=0y = 0?

  • A

    y=xy = \sqrt{x}

  • B

    y=1xy = \frac{1}{x}

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  • C

    y=2xy = 2^x

  • D

    y=x2y = x^2

Explanation

The reciprocal function y=1xy = \frac{1}{x} has vertical asymptote x=0x = 0 and horizontal asymptote y=0y = 0.

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