Precalc0110to0111-page13 - (Section 1.11 Limits and...

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(Section 1.11: Limits and Derivatives in Calculus) 1.11.2 PART B: TANGENT LINES and DERIVATIVES In Section 1.10, we looked at four forms of difference quotients. Form 1 gave us the average rate of change of a function f on a fixed interval a , b ± ² ³ ´ , where a < b . This is equal to the slope of the secant line on a , b ± ² ³ ´ . Form 1: Fixed interval fb () ± fa b ± a a , b are constants The other forms dealt with variable intervals. Each form, together with the idea of
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This document was uploaded on 12/29/2011.

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