A graphing calculator is recommended. Use the Squeeze Theorem to show that lim x? cos(20æx) = 0. x-0 Illustrate by graphing the functions f(x) = -x?, g(x) = x? cos(20x), and h(x) = x² on the same screen. Let f(x) = -x?, g(x) = x? cos(20x), and h(x) = x². Then ? |s cos(20xx) s ? %3D sx? cos(20x) s ? = lim h(x) = 1. by the Squeeze Theorem we have Since lim f(x) : X-0 lim g(x) =

College Algebra
1st Edition
ISBN:9781938168383
Author:Jay Abramson
Publisher:Jay Abramson
Chapter3: Functions
Section3.3: Rates Of Change And Behavior Of Graphs
Problem 2SE: If a functionfis increasing on (a,b) and decreasing on (b,c) , then what can be said about the local...
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A graphing calculator is recommended.
Use the Squeeze Theorem to show that lim x2 cos(20xx) = 0.
x-0
Illustrate by graphing the functions f(x) = -x?, g(x) = x? cos(20xx), and h(x) = x? on the same screen.
Let f(x) = -x2, g(x) = x2 cos(20x), and h(x) = x2. Then ?
Since lim f(x)
< cos(20xx) s ?
< x? cos(20x) s ?
lim h(x)
, by the Squeeze Theorem we have
?
lim g(x)
Transcribed Image Text:A graphing calculator is recommended. Use the Squeeze Theorem to show that lim x2 cos(20xx) = 0. x-0 Illustrate by graphing the functions f(x) = -x?, g(x) = x? cos(20xx), and h(x) = x? on the same screen. Let f(x) = -x2, g(x) = x2 cos(20x), and h(x) = x2. Then ? Since lim f(x) < cos(20xx) s ? < x? cos(20x) s ? lim h(x) , by the Squeeze Theorem we have ? lim g(x)
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