As noted in the course requirements, homework is not collected, let alone graded. Nevertheless, it is an important component of the course, and you are strongly encouraged to do every problem.

Date	Section	Problems
1/17	12.1	1,9, 17,19,23,35, 41, 45,49
1/18	12.2	3,5,9, 11,17,23, 25, 35, 37
	12.3	1, 3, 7,9,13, 17,19,21