We went over the vocabulary of periodic functions, period, cycle, and amplitude.
Use the video links below for review/practice
https://www.youtube.com/watch?v=Sjcqur_dJAc
https://www.youtube.com/watch?v=uIm12BxROMo
https://www.youtube.com/watch?v=q7A8EvkmTUc
HW: Complete the 13-1 Vocab Support page and WS 13.1 Form K (both sides)