Matematika

Pertanyaan

f(x)=5x-9
g(x+1)=3x+1
f{g(x)}=???

1 Jawaban

  • f(x) = 5x - 9

    g(x + 1) = 3x + 1
    g(x + 1) = 3(x + 1) - 2
    g(x) = 3x - 2

    f(g(x))
    = 5(3x - 2) - 9
    = 15x - 10 - 9
    = 15x - 19

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