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If f:(3,4)rarr (0,1) defined by f(x)=x-[...

If `f:(3,4)rarr (0,1)` defined by `f(x)=x-[x]` where [x] denotes the greatest integer function then f (x) is

A

`(1)/(x -|x|)`

B

`[x] - x`

C

`x -3`

D

`x + 3`

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