Matematika

Pertanyaan

f(x)=3x,g(x)=1-2x,(fog)-1(x)=

1 Jawaban

  • f(x) = 3x
    g(x) = 1 - 2x

    (fog) = y = 3(1 - 2x) = 3 - 6x
    6x = 3 - y
    x = (3 - y)/6

    (fog)^-1 (x) = (3 - x)/6

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