tentukan f^ 1(x) dari: f(x)=x-1/x+5 -

Fx)=x-1/x+5
misal f(x) = y
f(x)=x-1/x+5
y = x-1 / x+5
y (x+5) = x-1
xy + 5y = x-1
xy - x = -1 - 5y
(y - 1) x = -1 - 5y
x = -1 - 5y/ y - 1
jadi f^-1 (x) = -1 -5x/x-1

Source https://sebuahcatatan.live/as/catatanbrain/tugas/2160838