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Let f : W rarr W be defined as f (x) = x...

Let f : W `rarr` W be defined as f (x) = x -1 if x is odd and f(x) = x +1 if x is even then show that f is invertible. Find the inverse of f where W is the set of all whole numbers.

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SHARAM PUBLICATION-RELATIONS AND FUNCTIONS-EXAMPLE
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  14. if ** is the binary operation on N given by a**b= L. C. M of a and b. ...

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