Calculus: As Easy as Dreaming

 Limits

Finding a limit is like catching a thief running on the street.

You are the policeman chasing the thief. He has a bag of precious items that he stole.
You are right behind him and you see he has the bag in his hands. YOU BLINK. You see he has no bag!

Where do you think the bag is? He certainly hid it somewhere - in between where you saw him last with the bag and where you saw him without.

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