Matematika

Pertanyaan

Diketahui fungsi (fog)(x) = -2x+3 , f(x) = 4x-1 . Tentukan g(x) dan g(-5)

1 Jawaban

  • f(g(x)) = - 2x + 3
    4 g(x) - 1 = - 2x + 3
    4 g(x) = - 2x + 4
    g(x) = ( - 2x + 4 ) / 4
    g(x) = (- 1/2)x + 1 ✔️

    g(-5) = (-1 / 2) 5 + 1
    g(-5) = - 5 / 2 + 1
    g(-5) = - 5 / 2 + 2 / 2
    g(-5) = ( - 3 / 2 ) ✔️
    g(-5) = ( - 1,5 ) ✔️

    Semoga bermanfaat.....
    -Prisco

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