d) f(x) = x sin x + cos x [0, 2π]

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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List intervals over which f(x) is increasing and/or decreasing. Show analysis that leads to your results.
erval
since
4x 3-4x=0
4x(x²-1)=0
4x (x-1) {*+)=0
d) f(x) = x sin x + cos x
anal chans
4X-0
x=0, x= 1₁ X=-
when
[0, 2π]
mali
[
Transcribed Image Text:erval since 4x 3-4x=0 4x(x²-1)=0 4x (x-1) {*+)=0 d) f(x) = x sin x + cos x anal chans 4X-0 x=0, x= 1₁ X=- when [0, 2π] mali [
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