Show that f:[-1,1] to R given by f(x) =...

Show that `f:[-1,1] to R` given by `f(x) = x/(x + 2)` is one-one. Find the inverse of the function `f: [-1,1] to S`,where S is the range of f.

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The correct Answer is:

`f ^(-1) ` is given by `f ^(-1) (y) = (2y)/(1- y ) , y in 1`

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