Read this section to learn to connect derivatives to the concept of the rate at which things change. Work through practice problems 1-3.
Related Rates: An Application of Derivatives
In the next several sections we'll look at more uses of derivatives. Probably no single application will be of interest or use to everyone, but at least some of them should be useful to you. Applications also reinforce what you have been practicing; they
require that you recall what a derivative means and use the techniques covered in the last several sections. Most people gain a deeper understanding and appreciation of a tool as they use it, and differentiation is both a powerful concept and a useful
Source: Dale Hoffman, https://s3.amazonaws.com/saylordotorg-resources/wwwresources/site/wp-content/uploads/2012/12/MA005-3.7-Related-Rates.pdf
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