Determine the domain of f(x)=1∣x∣−xf(x) = \frac{1}{\sqrt{|x|-x}}f(x)=∣x∣−x1.
(0,∞)(0, \infty)(0,∞)
(−∞,0)(-\infty, 0)(−∞,0)
(−∞,0)∪(0,∞)(-\infty, 0) \cup (0, \infty)(−∞,0)∪(0,∞)
R\mathbb{R}R