Matematika

Pertanyaan

jika f (×+2)=3×-6 maka f (3) =

1 Jawaban

  • f(x + 2) = 3x - 6
    f(3) = ...

    x + 2 = 3
    x = 3 - 2 = 1

    f(x + 2) = 3x - 6
    f(1 + 2) = 3(1) - 6
    f(3) = 3 - 6 = -3

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