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Let f: N to N be defined as f(n) = (n+1)...

Let `f: N to N` be defined as `f(n) = (n+1)/(2)` when `n` is odd and `f(n) = (n)/(2)` when `n` is even for all `n in N`. State whether the function `f` is bijective. Justify your answer.

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