Simple functions can be combined by adding, subtracting, multiplying or dividing. The resulting complex functions have many features of the originals. These features make the calculations & graphs of the complex functions easier to deal with.
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Lesson 7-1: Understanding & Calculating Limits
Lesson 7-2: Secants & Tangents of Curves
Lesson 7-3: Slope of The Tangent Line
Lesson 7-4: The Derivative Function
Lesson 7-5: Rates of Change
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NOTE: Due to a recent revision of this unit, Lesson 7-1 and 7-2 videos are not available. The remaining lessons have been re-numbered to reflect the new versions.