A man that is 5 feet tall is walking in a straight line at a rate of 3 ft / s towards a lamp post that is 15 ft high. How fast is the tip of the shadow moving when man is 30 ft from the post?

Calculus: Early Transcendentals
8th Edition
ISBN:9781285741550
Author:James Stewart
Publisher:James Stewart
Chapter1: Functions And Models
Section: Chapter Questions
Problem 1RCC: (a) What is a function? What are its domain and range? (b) What is the graph of a function? (c) How...
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A man that is 5 feet tall is walking in a straight line at a rate of 3 ft / s towards a lamp post that is 15 ft high. How fast is the tip of the shadow moving when man is 30 ft from the post?
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