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:
Finish p. 131 (1, 2, 9, 11, 12 - 16, 27)
p. 140 Ex. Set 2.4 (2a, 9, 21(proof))

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Send any comments or questions to: David Pleacher