Determine the domain of f(x)=∣x∣−xf(x) = \sqrt{|x|-x}f(x)=∣x∣−x.
(0,∞)(0, \infty)(0,∞)
(−∞,0](-\infty, 0](−∞,0]
[0,∞)[0, \infty)[0,∞)
All real numbers