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Let f:N->N, where f(x)=x+(-1)^(x-1), the...

Let `f:N->N`, where `f(x)=x+(-1)^(x-1)`, then the inverse of f is.

A

`f^(-1)(x)=x+(-1)^(x-1),xepsilonN`

B

`f^(-1)(x)=3x+(-1)^(x-1),xepsilonN`

C

`f^(-1)(x)=x,xepsilonN`

D

`f^(-1)(x)=(-1)^(x-1),xepsilonN`

Text Solution

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