Home  18.013A  Chapter 6  Section 6.1 


The way mathematicians like to express this statement is as follows: "For
every epsilon greater than zero there is a delta such that for xx' < delta
and
the difference between and
the slope of that line is less than epsilon".
This has a tendency to confuse beginners who are put off by the symbols for
delta and epsilon as much as they are by the concepts. However it grows on you,
apparently.

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