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Nonlinear Functions

SAT Math· difficulty 3/5

What is the maximum value of y=−3(x+2)2+7y = -3(x+2)^2 + 7?

  • A

    −3-3

  • B

    77

    check_circle
  • C

    −2-2

  • D

    22

Explanation

Since a=−3<0a = -3 < 0, parabola opens down; maximum is k=7k = 7 at x=−2x = -2.

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