KCET 2009 Math Solved Paper

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Question : 16 of 61

Marks: +1, -0

On the set of integers Z, define f:Z→Z as f(n)={

‌

n

2

‌

n‌ is even ‌

0

‌

n‌ is odd ‌

. then ' f ' is

bijective
injective but not surjective
neither injective nor surjective
surjective but not injective

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