tolong pliss soale tugas buat besok..soale saya invers kurang mengerti.. makasih

jawab

f(x) = x/(x -1)
y  = x/ (x -1)
y(x -1) = x
xy - y = x
xy - x = y
x(y-1) = y
x = y/(y-1)
f⁻¹ (y) = y/(y-1)
f⁻¹ (x) = x/(x-1)