Nonlinear Functions

SAT Math· difficulty 3/5

A function is symmetric about the origin. Which statement must be true?

  • A

    f(0)=0f(0) = 0

  • B

    f(x)=f(x)f(-x) = -f(x)

    check_circle
  • C

    ff is not invertible

  • D

    f(x)=f(x)f(-x) = f(x)

Explanation

Origin symmetry means odd function: f(x)=f(x)f(-x) = -f(x).

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