Let\[f :X\to y\,f(x)=sinx+cosx+2\sqrt{2}\]be invertible. Then which \[X\to Y\]is not possible?

\[\left[ \frac{\pi }{4},\frac{5\pi }{4} \right]\to [\sqrt{2},3\sqrt{2}]\]

\[\left[ -\frac{3\pi }{4},\frac{\pi }{4} \right]\to [\sqrt{2},3\sqrt{2}]\]

\[\left[ -\frac{3\pi }{4},\frac{3\pi }{4} \right]\to [\sqrt{2},3\sqrt{2}]\]

Let\[f :X\to y\,f(x)=sinx+cosx+2\sqrt{2}\]be invertible. Then which \[

1.	Let\[f :X\to y\,f(x)=sinx+cosx+2\sqrt{2}\]be invertible. Then which \[X\to Y\]is not possible?
A.	\[\left[ \frac{\pi }{4},\frac{5\pi }{4} \right]\to [\sqrt{2},3\sqrt{2}]\]
B.	\[\left[ -\frac{3\pi }{4},\frac{\pi }{4} \right]\to [\sqrt{2},3\sqrt{2}]\]
C.	\[\left[ -\frac{3\pi }{4},\frac{3\pi }{4} \right]\to [\sqrt{2},3\sqrt{2}]\]
D.	none of these
Answer» D. none of these

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Let\[f :X\to y\,f(x)=sinx+cosx+2\sqrt{2}\]be invertible. Then which \[X\to Y\]is not possible?

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