Matematika

Pertanyaan

Jika f(×)=7×-2 maka f-1(×+1)=

2 Jawaban

  • F(x)=7x-2
    Y=7x-2
    7x-2=y
    7x=y+2
    X=y+2/7
    F^1(x)=x+2/7
    F^1(x+1)=(x+1)+2/7
    F^1(x+1)=x+1+2/7
    F^1(x+1)=x+3/7
  • Bab Persamaan Linear
    Matematika SMP Kelas VIII

    f(x) = 7x - 2
    y = 7x - 2
    7x = y + 2
    x = (y + 2)/7
    f^(-1) (x) = (x + 2)/7

    f^(-1) (x + 1) = (x + 1 + 2)/7
    f^(-1) (x + 1) = (x + 3)/7

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