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Linear Functions

SAT Math· difficulty 3/5

If f(x)=−12x+6f(x) = -\dfrac{1}{2}x + 6, what is f(−4)f(-4)?

  • A

    22

  • B

    88

    check_circle
  • C

    44

  • D

    1010

Explanation

f(−4)=−12(−4)+6=2+6=8f(-4) = -\frac{1}{2}(-4) + 6 = 2 + 6 = 8.

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