homework for February 13 -- February 19

reading:
sections 3.1, 3.2

practice problems:
section 3.1
3 -- 21
66,67

section 3.2:
3 -- 24
25 -- 28
57--60

video: https://youtu.be/L5GmSYipz6A
no need to watch the last 5 minutes

instructions:
(0) make an entry in your Journal dated February 13, 2017
(1) work practice problems of each type in your Journal until they become easy for you
(2) watch the video and write a short response in your Journal to the video.
(3) send pictures of Journal by email with the word "journal" and your student id number in the subject.
(4) due by midnight Sunday, February 19.