🚀Related Rates Human Shadow problem ! ! ! ! !

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In this video you will learn how to find a person's Shadow LENGTH Rate of Change with respect to time given the person's height and distance from the lamp post as well as the lamp's altitude.

Suppose a 6-ft-tall person is x feet away from an 18-ft-tall lamppost. If the person is moving away from the lamppost at a rate of 2 feet per second, at what rate is the length of the shadow changing?
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