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Which of the following functions from A=...

Which of the following functions from `A={x:-1lexle1}` to itself is a bijection ?

A

`f(x)=|x|`

B

`f(x)=x^(2)`

C

`f(x)=(x)/(2)`

D

`f(x)=sin((pix)/(2))`

Text Solution

Verified by Experts

The correct Answer is:
D
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