Epsilon-delta exercise: Solution different from the one given in the exercise

[DigitalSplendid]

It will help if anyone can confirm if my solution is correct or not. Does not match with the provided answer.

 

[blamocur]

Again, I don't understand your post. E.g., what is your boundary for "something" they mention in the book. BTW, the book's answer looks correct to me this time.

 

[DigitalSplendid]

Revised the solution. Solving problem 33.