Is it all coming back to you now? Need more practice on piece-wise functions?
Check out this link for more goods. 🙂
Also, if you’re looking to nourish your mind or you know, procrastinate a bit check out Mathsux on:
Factor By Grouping: Hard to solve? No. Hard to remember? Yes.
If you have any questions please don’t hesitate to post in the comments or to message me on Twitter. Happy mathing! 🙂