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
For part b can you show the Algebra we used to get 1-2^n < 0 in answer key
Transcribed Image Text:n+1
4n+3
1
ant1-an
4n 1
(4n -1)(4n + 3)
<0 for n 2 1,
SO strictly decreasing.
ant1- an = (n+1-2"+)– (n – 2" ) =1– 2" < 0 for n21, so strictly decreasing.
Transcribed Image Text:n ) n=1
n=1
n=1
Use a -a to show that the given sequence {a,}is strictly increasing or strictly decreasing.
а)
4n-1,
b) {n-2"}".
n=1
n=1
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