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On the set Z of all integers define f :...

On the set Z of all integers define `f : Z-(0) rarr Z` as follows
`f(n)= {(n/2, n \ is \ even) , (2/0 , n \ is \ odd):}` then f is

A

surjective but not injective

B

bijective

C

injective but not surjective

D

neither injective nor surjective

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The correct Answer is:
A
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