Nonlinear Functions

SAT Math· difficulty 4/5

Which statement about a function and its inverse is true?

  • A

    Their graphs are reflections over the yy-axis

  • B

    Their graphs are identical

  • C

    Their graphs are reflections over the xx-axis

  • D

    Their graphs are reflections over the line y=xy = x

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Explanation

A function and its inverse are reflections of each other over the line y=xy = x.

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