Connecting limits and graphical behavior | Limits and continuity | AP Calculus AB | Khan Academy

When we read a one-sided limit from a table, we are only interested in the value the function approaches from a single direction (either left or right).

AP Calculus AB on Khan Academy: Bill Scott uses Khan Academy to teach AP Calculus at Phillips Academy in Andover, Massachusetts, and heÕs part of the teaching team that helped develop Khan AcademyÕs AP lessons. Phillips Academy was one of the first schools to teach AP nearly 60 years ago.

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[cryptic]

4:50 Let's be honest tho, he's indirectly hinting at the pun by saying "no pun intended." Obviously the pun was intended.

[erriuga]

Are we all going to ignore the joke at 4:49??? XD