The range of the function f(x)=x+2|x+2|, x≠−2 is
{-1, 1}
{-1, 0, 1}
{1}
(0,∞)
f(x)=x−1≥0∀XϵR
Thus, range =[0,∞)
Range of the function y=2x−2−x2x+2−x is