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Nonlinear Functions

SAT Math· difficulty 4/5

The parabola y=(x−a)2+by = (x-a)^2 + b has minimum value 4 at x=−1x = -1. What are aa and bb?

  • A

    a=1,b=4a = 1, b = 4

  • B

    a=1,b=−4a = 1, b = -4

  • C

    a=−1,b=−4a = -1, b = -4

  • D

    a=−1,b=4a = -1, b = 4

    check_circle

Explanation

Vertex (a,b)=(−1,4)(a, b) = (-1, 4), so a=−1a = -1, b=4b = 4.

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