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1. Finding the derivative function (the limit of the difference quotient)
2. Finding the slope of the tangent line at a specific x-value
3. Finding equation of tangent line at specific point
4. Finding when tangent line is horizontal
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This video will go over example #17. Find the derivative yourself first, if possible.
Source: Created by Crystal Kirch using Camtasia for Mac
If the WSQ does not show up use this link:
Source: created by google docs