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Nonlinear Functions

SAT Math· difficulty 3/5

Solve: 9x=279^x = 27.

  • A

    11

  • B

    33

  • C

    1.51.5

    check_circle
  • D

    22

Explanation

Write as base 3: 32x=333^{2x} = 3^3, so 2x=32x = 3, x=1.5x = 1.5.

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