Extreme Values of a function: https://youtu.be/DsBsKY0xqig
Mean Value Theorem: https://youtu.be/yjH1-QZwy78
Increasing and Decreasing Functions and The First Derivative Test part 1: https://youtu.be/jybZnQEi6YI
Increasing and Decreasing Functions and The First Derivative Test part 2: https://youtu.be/MdPfGmSTNag
Concavity: https://youtu.be/ksnoaHm5NbQ
L'Hopital's Rule: https://youtu.be/iLeIBc0xRMs
Curve Sketching part 1: https://youtu.be/q331BjRGwzA
Curve Sketching part 2: https://youtu.be/eS1S3IXdD7g