C-09-Q133mediumsingle_mcqRange of f(x)=∣x∣xf(x) = \dfrac{|x|}{x}f(x)=x∣x∣ is:a{0,1}\{0, 1\}{0,1}b{−1,0}\{-1, 0\}{−1,0}c{−1,1}\{-1, 1\}