Matematika

Pertanyaan

jika f(×)= 5×+2 dan g((f)= 14×6 maka nilai g(7)

1 Jawaban

  • jawab

    f(x) = 5x + 2
    g{ f(x)} = 14x + 6
    g(5x+2}  = 14x + 6

    5x + 2 = 7
    5x = 5
    x = 1

    g(7) = 14(1) + 6
    g(7) = 20

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