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If f = R rightarrow R is defined by f(x...

If ` f = R rightarrow R` is defined by `f(x) = |x|`, then,

A

` f^(-1)(x)=(1)/(|x|)`

B

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

C

` f^(-1)(x)=(1)/(x)`

D

` f^(-1)(x)` does not exist(

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The correct Answer is:
D
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