Real Analysis
posted by Akkie on .
a) Give an example of a function, whose limit exists as x approaches 2, but it is not continuous at x=2
b)Give an example of a function that is not differentiable at x=2, but it is continuous at x=2

Sorry, I'm not a MATH teacher, but you might like some of the tutorials below:
http://search.yahoo.com/search?fr=mcafee&p=function+tutorials
Sra