AP EAMCET Engineering 2012 Solved Paper

Section: Mathematics

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Question : 119 of 160

Marks: +1, -0

If f:Z→Z is defined f(x)={

x

2

,

if x is even

‌

0,

if x is odd

, then f is

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

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