Nonlinear Functions

SAT Math· difficulty 3/5

Which is a power function?

  • A

    y=2x+1y = 2^{x+1}

  • B

    y=5x4y = 5x^4

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  • C

    y=3xy = 3^x

  • D

    y=exy = e^x

Explanation

Power functions have the form kxnkx^n.

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