The domain of definition of the function \[y(x)\] given by \[{{2}^{x}} – McqOptions

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1.	The domain of definition of the function \[y(x)\] given by \[{{2}^{x}}+{{2}^{y}}=2\] is [IIT Screening 2000; DCE 2001]
A.	(0, 1]
B.	[0, 1]
C.	\[(-\infty ,\ 0]\]
D.	\[(-\infty ,\ 1)\]
Answer» E.

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