If f(x) =2x +1 and g (x)= (x-1)/(2) for ...

If `f(x) =2x +1 and g (x)= (x-1)/(2)` for all real x, then `(fog) ^(-1)( ((1)/(x)))` is equal to

A

x

B

`1/x`

C

`-x`

D

`-1/x`

Verified by Experts

The correct Answer is:

B

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