The domain of the function \(f\left( x \right) = \frac{1}{{\sqrt {\left| x \right| - \;x} }}\)

The domain of the function \(f\left( x \right) = \frac{1}{{\sqrt {\lef

1.	The domain of the function \(f\left( x \right) = \frac{1}{{\sqrt {\left\| x \right\| - \;x} }}\)
A.	[0, ∞)
B.	(- ∞, 0)
C.	[1, ∞)
D.	(- ∞, 0]
Answer» C. [1, ∞)