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Linear Functions

SAT Math· difficulty 3/5

If f(x)=3x−1f(x) = 3x - 1 and g(x)=2x+5g(x) = 2x + 5, what is g(f(2))g(f(2))?

  • A

    9

  • B

    21

  • C

    15

    check_circle
  • D

    11

Explanation

f(2)=5f(2) = 5. g(5)=10+5=15g(5) = 10 + 5 = 15.

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