EAMCET Engineering 2001 Solved Paper

Section: Mathematics

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Question : 162 of 200

Marks: +1, -0

Let Z denote the set of integers define f:Z→Z by f(x)={

‌

x

2

‌

x‌ is even ‌

0

‌

x‌ is odd ‌

. then f is

onto but not one-one
one-one but not onto
one-one and onto
neither one-one nor onto

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