Lesson #13
Delta-Epsilon Definition of a Limit

Quote of the Day: 
     "In mathematics, you don't understand things. You just get used to 
            them."   -- Johann von Neumann

Objectives:
    The student will apply the delta-epsilon definition of a limit 
	to problems involving limits.

1. Collect Homework.

2. The epsilon-delta definition of the limit:
       
       
     
    Think of the deltas and 
    epsilons as tolerance or intervals along the x- and y-axes.

3. Example:
       
       
       

4. Delta Epsilon Song:
        Click here for the Delta Epsilon Song
5. Assignment: 
             p. 145 (2a, 5, 7, 8, 15(proof))

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