3 Jan 2022
Problem 20
Page 118
Section 2.9: The Formal Definition of a Limit
Chapter 2: Limits and Derivatives
Textbook ExpertVerified Tutor
3 Jan 2022
Given information
We have to prove that 
for all 
Step-by-step explanation
Step 1.
We are given that 
Solving 
for we have,
Now, we are going to require that 
to be small, we may as well assume from the outset that 
, or equivalently,
Single Variable Calculus: Early Transcendentals
4th Edition, 2018
Stewart
ISBN: 9781337687805