Question

Función inversa de
F(x) = x/x+1

Answer 1

F (x) = x / x +1


y = x/ x +1

y ( x + 1) = x

yx + y = x
 
yx - x = y

x ( y - 1 ) = y

x =  y / ( y - 1 )

f- 1 ( x) = x / (x - 1 )