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93. Viewing angles for advertising: A 25-ft-wide billboard is erected perpendicular to a strai ght highway, with the closer edge 50 ft away (see figure). Assume the adverti sement on the billboard is most easily read when the viewing angle is 10.5° or more. (a) Use inverse functions to find an expression for the viewing angle 0. (b) Use a calculator to help determine the distance d (to tenths of a foot) for which the viewing angle is greater than 10.5°. (c) What distance d maximizes this viewing angle? ne m le Exercise 93 50 ft 25 ft air

93. Viewing angles for advertising: A 25-ft-wide billboard is erected perpendicular to a strai ght highway, with the closer edge 50 ft away (see figure). Assume the adverti sement on the billboard is most easily read when the viewing angle is 10.5° or more. (a) Use inverse functions to find an expression for the viewing angle 0. (b) Use a calculator to help determine the distance d (to tenths of a foot) for which the viewing angle is greater than 10.5°. (c) What distance d maximizes this viewing angle? ne m le Exercise 93 50 ft 25 ft air

Calculus: Early Transcendentals
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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93. Viewing angles for advertising: A 25-ft-wide billboard is erected perpendicular to a strai ght highway, with the closer edge 50 ft away (see figure). Assume the adverti sement on the billboard is most easily read when the viewing angle is 10.5° or more. (a) Use inverse functions to find an expression for the viewing angle 0. (b) Use a calculator to help determine the distance d (to tenths of a foot) for which the viewing angle is greater than 10.5°. (c) What distance d maximizes this viewing angle? ne m le Exercise 93 50 ft 25 ft air
Transcribed Image Text:93. Viewing angles for advertising: A 25-ft-wide billboard is erected perpendicular to a strai ght highway, with the closer edge 50 ft away (see figure). Assume the adverti sement on the billboard is most easily read when the viewing angle is 10.5° or more. (a) Use inverse functions to find an expression for the viewing angle 0. (b) Use a calculator to help determine the distance d (to tenths of a foot) for which the viewing angle is greater than 10.5°. (c) What distance d maximizes this viewing angle? ne m le Exercise 93 50 ft 25 ft air
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