Question
Asked Nov 14, 2019
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A man 6 ft tall walks at a rate of 4 ft/sec away from a lamppost that is 16 ft high.  At what rate is the length of his shadow changing when he is 50 ft away from the lamppost? 

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Let x be the distance of the man from the lamppost and y be the length o...

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А Е E С В + у х

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