3 Jan 2022
Problem 15c
Page 115
Section 2.9: The Formal Definition of a Limit
Chapter 2: Limits and Derivatives
Textbook ExpertVerified Tutor
3 Jan 2022
Given information
We are given that 
We have to prove that if
then 
Then we have to explain why this proves that 
Step-by-step explanation
Step 1.
Let and suppose that 
and suppose that Then by part (a), we have
Therefore,
Single Variable Calculus: Early Transcendentals
4th Edition, 2018
Stewart
ISBN: 9781337687805