Thomas' Calculus 13th Edition

Published by Pearson
ISBN 10: 0-32187-896-5
ISBN 13: 978-0-32187-896-0

Chapter 2: Limits and Continuity - Section 2.3 - The Precise Definition of a Limit - Exercises 2.3 - Page 66: 30

Answer

($\frac{-0.05}{m}$+1, $\frac{0.05}{m}$+1) and 𝛿 =$\frac{0.05}{m}$

Work Step by Step

Solve the inequality |f(x) -L| < e |mx+b-m -b| <0.05 |m(x-1)| <0.05 -0.050; Now we need to find the value of 𝛿>0 that places the open interval (1-𝛿, 1+𝛿) centered at 1 inside the interval ($\frac{-0.05}{m}$+1, $\frac{0.05}{m}$+1). distance between 1 and $\frac{-0.05}{m}$+1 is $\frac{0.05}{m}$and distance between 1 and $\frac{0.05}{m}$+1 is$\frac{0.05}{m}$. so we will take the smaller value for 𝛿, so 𝛿 =$\frac{0.05}{m}$
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