Uh oh! Wolfram|Alpha doesn't run without JavaScript.
Please enable JavaScript. If you don't know how, you can find instructions
here
.
Once you've done that, refresh this page to start using Wolfram|Alpha.
piecewise [ {Abs(x) , -4<=x<2} and {4-x , 2<=x<=6} ]�
Natural Language
Math Input
Extended Keyboard
Examples
Upload
Random
