Matematika

Pertanyaan

tolong yg bisa kerjain!!
tolong yg bisa kerjain!!

2 Jawaban

  • 10. E
    11. D
    Semoga membantu
  • Rumus : f(x) = (ax + b)/(cx + d) => f^-1(x) = (-dx + b)/(cx - a)

    10) f(x + 2) = (x + 3)/(x - 1)
    f(x + 2) = ((x + 2) + 1) / ((x + 2) - 3)
    f(x) = (x + 1)/(x - 3) => f^-1(x) = (3x + 1)/(x - 1) ; x ≠ 1

    11) f(x) = (3x + 5)/(2x - 3) => f^-1(x) = (3x + 5)/(2x - 3) ; x ≠ 3/2