CalcNotes0201-page17

CalcNotes0201-page17 - (Section 2.1: An Introduction to...

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(Section 2.1: An Introduction to Limits) 2.1.16 What’s the bottom line? Does it matter what happens to a function f at a or not when we evaluate limits like lim x ± a fx () ? In theory, we’re not supposed to care what happens to the function at x = a . Often, though, it helps to know what happens at x = a . For example, if we have a rational function f that has a in its
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