Matematika

Pertanyaan

jika f (x) = 3x-4 dan g(x) =2x+p apabila (fog)(x) = (gof)(x) maka nilai p =
jika f (x) = 3x-4 dan g(x) =2x+p apabila (fog)(x) = (gof)(x) maka nilai p =

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1 Jawaban

  • f(X) = 3x-4
    g(x)=2x+p

    fog = gof
    3(2x+p)-4 = 2(3x-4)+p
    6x+3p-4 =6x-8+p
    6x+3p-6x-p = -8+4
    2p =-4
    p=-2

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