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Let f : W → W be defined as f ( n ) = n − 1, if is odd and f ( n ) = n + 1, if n is even. Show that f is invertible. Find the inverse of f . Here, W is the set of all whole numbers.

Answer» Let f : W → W be defined as f ( n ) = n − 1, if is odd and f ( n ) = n + 1, if n is even. Show that f is invertible. Find the inverse of f . Here, W is the set of all whole numbers.


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