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Define f:Z rarrZ by f(x)={{:(x//2,"(x is...

Define `f:Z rarrZ` by `f(x)={{:(x//2,"(x is even)"),(0,"(x is odd)"):}` then f is

A

onto but not one-to-one

B

one-to-one but not onto

C

one-to-one and onto

D

neither one-to-one nor onto

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The correct Answer is:
A
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