Matematika

Pertanyaan

Yang bisa mengerjakan tolong yaa, soal matematika saya kls 1 sma
Yang bisa mengerjakan tolong yaa, soal matematika saya kls 1 sma

1 Jawaban

  • F(x) = 4x - 1
    g(x) = (5x-6)/(3x+2)

    a.
    y = 4x - 1
    4x = 1 + y
    x =(1+y)/4
    f^-1(x) = (1+x)/4

    b.
    y = (5x-6)/(3x+2)
    3xy + 2y = 5x - 6
    3xy - 5x = -6 - 2y
    x(3y-5) = -6-2y
    x = (-6-2y)/(3y-5)
    g^-1(x) = (-6-2x)/(3x-5)

    c.
    f^-1(2) = (1+2)/4
    f^-1(2) = 3/4

    d.
    f^-1(0) = (1+0)/4
    f^-1(0) = 1/4

    e.
    g^-1(1) = (-6-2(1))/(3(1) -5)
    g^-1(1) = (-6-2)/(3-5)
    g^-1(1) = -8/-2
    g^-1(1) = 4