Let f:NtoNdefined by : f(n)={:{((n+1)/(2...

Let `f:NtoN`defined by :
`f(n)={:{((n+1)/(2) "if n is odd"),((n)/(2) "if n is even"):}`

A

one-one and onto

B

one-one but not onto

C

onto but not one-one

D

neither one-one nor onto

Verified by Experts

The correct Answer is:

B

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