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A man 6 ft tall walks at a rate of 6 ft/sec away from a lamppost that is 18 ft high. At what

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Solve the problem. Round your answer, if appropriate.

A man 6 ft tall walks at a rate of 6 ft/sec away from a lamppost that is 18 ft high. At what rate is the length of his shadow changing when he is 30 ft away from the lamppost? (Do not round your answer)

▸ 30 ft/sec

▸ 3 ft/sec

ft/sec

ft/sec
Textbook

Calculus: Early Transcendentals

Edition: 3rd
Authors:
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