Use the video links for review/practice
https://www.youtube.com/watch?v=x2MBzdHuL6E
https://www.youtube.com/watch?v=oHIH69Ou4DE
https://www.youtube.com/watch?v=aRG8Ty-W4hE
HW: Complete WS Definite Integral - Homework (only that page). Quiz 4.2 - 4.3 will be Friday, 2/17.