The lower edge of a picture is 3 m ,the upper edge is 5 m above the eye of an observer. At what horizontal distance should he stand if the vertical angle subtended by the picture is to be greatest ? A 15 m B. 3 V5 m C. 5 V3 m D. V15 m

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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The lower edge of a picture is 3 m ,the upper edge is 5 m above the eye of an observer.
At what horizontal distance should he stand if the vertical angle subtended by the picture
is to be greatest ?
A. 15 m
B. 3 V5 m
C. 5 V3 m
D. V15 m
Transcribed Image Text:The lower edge of a picture is 3 m ,the upper edge is 5 m above the eye of an observer. At what horizontal distance should he stand if the vertical angle subtended by the picture is to be greatest ? A. 15 m B. 3 V5 m C. 5 V3 m D. V15 m
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