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Let f : (4, 6)to(6, 8) be a function def...

Let f : `(4, 6)to(6, 8) be a function defined by f(x) x+[x/2] (where [.] denotes the greatest integer function), then `f^(-1)(x)` is equal to

A

x-[x/2]

B

-x-2

C

x-2

D

`1/(x+[pi/2])`

Text Solution

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The correct Answer is:
C
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