CUSAT 2021 BTech Solved Paper Shift 2

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Question : 152 of 250

Marks: +1, -0

The function f:▯→▯ defined by f(n)={

‌

n−1

2

when ‌n‌ is odd ‌

‌

n

2

‌‌ when ‌n‌ is even ‌end‌cases

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

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