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A function `f` from the set of natural numbers to the set of integers defined by `f(n)={(n-1)/2,\ w h e n\ n\ i s\ od d-n/2,\ w h e n\ n\ i s\ e v e n` (a) neither one-one nor onto (b) one-one but not onto (c) onto but not one-one (d) one-one and onto both

A

one-one but not onto

B

onto but not one-one

C

one-one and onto both

D

neither one-one nor onto

Text Solution

Verified by Experts

The correct Answer is:
C
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