Answer
a) δ=0.025
b) δ=0.0025
Work Step by Step
a) Let ϵ=0.1
|4x−8|=4|x−2|<0.1
|x−2|<0.025
∴δ=0.025
b) Let ϵ=0.01
|4x−8|=4|x−2|<0.01
|x−2|<0.0025
∴δ=0.0025
Calculus 8th Edition
by Stewart, James
Published by
Cengage
ISBN 10:
1285740629
ISBN 13:
978-1-28574-062-1
Chapter 1 - Functions and Limits - 1.7 The Precise Definition of a Limit - 1.7 Exercises - Page 82: 13
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