Which of following functions cannot have their inverse defined ? (where [.], to greatest i

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1.Relation and Function

normal

Which of the following functions cannot have their inverse defined ? (where $[.]\, \to$ greatest integer function)

A

$f : R \to R^+ ; y = e^x$

B

$f : R^+ \to R ; y = log|x|$

C

$f:\left[ { - \frac{\pi }{2},\frac{\pi }{2}} \right] \to [-1, 1]; y = sin^3x$

D

$f : R \to R^+ ; y = e^{[x]}$

Solution

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Standard 12

Mathematics

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