I like this YouTube channel PatrickJMT (“Just a Math Teacher”) for short math videos with a lot of examples.

You can see his entire “Derivatives” playlist here:
https://youtube.com/playlist?list=PLDE077A2EC488104D&si=UzFRI34C-km3P8j5

Here are a few of those videos which are relevant to what we have covered (and for Exam #2)–but look thru the playlist for even more:

https://youtu.be/6kScLENCXLg?si=HmNNywrwRtg9x8Vp