Matematika

Pertanyaan

Diketahui f(x+ 1)=8x +5 dan (f •g) (x) =24 x 29 .rumus fungsi g(x)=tolong jawab

1 Jawaban

  • (f o g) (x) = 24 x 29
    f(g(x)) = 24 x 29
    8g(x)+5 = 24 x 29
    8g(x) = 24 x 29 - 5
    8g(x) = 24 x 24
    g(x) = 24 x 24/8
    g(x) = 3 x 3

    pembuktian:
    (f o g) (x) = f(g(x))
    = f(3 x 3)
    = 8(3 x 3) + 5
    = 24 x 24 + 5
    = 24 x 29

    maaf kalau salah

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