A man 6 feet tall walks at a rate of 7 feet per second away from a light that is 15 feet above the ground (see figure 12- 12 16 20 (a) When he is 10 feet from the base of the light, at what rate is the tip of his shadow moving? ft/sec (b) When he is 10 feet from the base of the light, at what rate is the length of his shadow changing? ft/sec

Calculus: Early Transcendentals
8th Edition
ISBN:9781285741550
Author:James Stewart
Publisher:James Stewart
Chapter1: Functions And Models
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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 6 feet tall walks at a rate of 7 feet per second away from a light that is 15 feet above the ground (see figure).
12
12 16 20
(a) When he is 10 feet from the base of the light, at what rate is the tip of his shadow moving?
ft/sec
(b) When he is 10 feet from the base of the light, at what rate is the length
shadow changing?
ft/sec
Transcribed Image Text:A man 6 feet tall walks at a rate of 7 feet per second away from a light that is 15 feet above the ground (see figure). 12 12 16 20 (a) When he is 10 feet from the base of the light, at what rate is the tip of his shadow moving? ft/sec (b) When he is 10 feet from the base of the light, at what rate is the length shadow changing? ft/sec
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