Matematika

Pertanyaan

diketahui f(x) = 4x - 3.JIKA F(a) = -11 dan f(2)=b,nilai a-b =..

1 Jawaban

  • f(x) = 4x-3

    f(a) = 4a-3
    -11 = 4a-3
    -8 = 4a
    -2 = a

    f(2) = 8-3
    b = 5

    a-b
    -2-5 = -7

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