Yet another proof function continuity related

1. Sep 30, 2006

bluevires

http://www.ualberta.ca/~blu2/question1.gif [Broken]

hey guys, I've tried this question and here's what I come up with, however I don't think this is anywhere near the right answer, but it does show the direction that I'm trying to work toward, I would appreciate any tips/help on how should I approach this question.