M 27. (a) By graphing the function f(x) (cos 2x- cos x)/x %3D and zooming in toward the point where the graph crosses the y-axis, estimate the value of lim,of(x). (b) Check your answer in part (a) by evaluating f(x) for values of x that approach 0.
M 27. (a) By graphing the function f(x) (cos 2x- cos x)/x %3D and zooming in toward the point where the graph crosses the y-axis, estimate the value of lim,of(x). (b) Check your answer in part (a) by evaluating f(x) for values of x that approach 0.
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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Question
![A 27. (a) By graphing the function f(x)
= (cos 2x - cos x)/x
²
and zooming in toward the point where the graph crosses
the y-axis, estimate the value of lim,of(x).
(b) Check your answer in part (a) by evaluating f(x) for
%3D
values of x that approach 0.](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2Fbc75f41e-12dc-4dda-ac45-dfa0a0865e27%2Fbfcb1545-6bbb-4690-a2ec-1ffd2a7acad0%2Fdxl2v_processed.jpeg&w=3840&q=75)
Transcribed Image Text:A 27. (a) By graphing the function f(x)
= (cos 2x - cos x)/x
²
and zooming in toward the point where the graph crosses
the y-axis, estimate the value of lim,of(x).
(b) Check your answer in part (a) by evaluating f(x) for
%3D
values of x that approach 0.
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