Nonlinear Functions

SAT Math· difficulty 4/5

Which function is neither even nor odd?

  • A

    f(x)=x3f(x) = x^3

  • B

    f(x)=x4f(x) = x^4

  • C

    f(x)=x2f(x) = x^2

  • D

    f(x)=x2+xf(x) = x^2 + x

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Explanation

f(x)=x2+xf(x) = x^2 + x: f(x)=x2xf(-x) = x^2 - x, which is neither f(x)f(x) nor f(x)-f(x).

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