Chris Staecker | Calculus 1 (Stewart) Ep 21, Absolute extrema (Oct 27, 2021) @ChrisStaecker | Uploaded October 2021 | Updated October 2024, 3 hours ago.
This is a recording of a live class for Math 1171, Calculus 1, an undergraduate course for math majors (and others) at Fairfield University, Fall 2021. The textbook is Stewart.

PDF of the written notes, and a list of all episodes is at the class website.

Class website: http://cstaecker.fairfield.edu/~cstaecker/courses/2021f1171/