For the real value of x what is the maximum value of |x+2|+|x-1|-|2x-4|=? Pick:
A) 2  B) 3  C) 4  D) 5  E) 6
value of expression will be maximum if mod(2x-4) will give minimum value   so 2x-4=0   x=2   maximum value=mod(2+2)+mod(2-1)-0=5   ANSWER:5
<result>D</result>
For the real value of x what is the maximum value of |x+2|+|x-1|-|2x-4|=?