pravaluvian
New member
In class we showed that for f: R -> R where f(x) = x^2, f^-1 ((-1,2)) = (-sqrt(2), sqrt(2)).
Similarly, what is f^-1 ((0,1)) for
f: R->R defined by f(x) = (x+1) / (x^2 + 1)
Similarly, what is f^-1 ((0,1)) for
f: R->R defined by f(x) = (x+1) / (x^2 + 1)