Question

Show that f: [−1, 1] → R, given by(x)=x/(x+2) is one – one. Find the inverse of the function f: [−1, 1] → Range f.

(Hint: For y ∈ Range f, y = (x)=x/(x+2) , for some x in [−1, 1], i.e.x=2y/(1−y))

Answer 1

The correct answer is