Let f: X rarrY , f(x)= sin x + cos x + 2...

Let `f: X rarrY , f(x)= sin x + cos x + 2 sqrt(2)` be invertible. Then which `X rarr Y` is not possible ?

A

`[ pi/4, (5 pi)/(4)] rarr [ sqrt(2), 3 sqrt(2)]`

B

`[ - (3pi)/(4), pi/4] rarr [ sqrt(2), 3 sqrt(2)]`

C

`[ - (3pi)/(4), (3 pi)/(4) ] rarr [ sqrt(2), 3 sqrt(2)]`

D

none of these

Verified by Experts

The correct Answer is:

B

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