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If f : {x : -1 le x le 1} rarr {x : -1 l...

If `f : {x : -1 le x le 1} rarr {x : -1 le x le 1}`, then which is/are bijective ?

A

f(x) = [x]

B

`f(x) = sin.(pi x)/(2)`

C

`f(x) = |x|`

D

`f(x) = x|x|`

Text Solution

Verified by Experts

The correct Answer is:
B, D
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