Return Homework 4.2 (first set) - graded #3 and 16
Collect Homework 4.2 (second set)
Next time I'll collect the 4.3 problems; the following class I'll collect a single homework set for 4.4 consisting of the following:
p. 82, #2c, 4c, 7, 10, 15a, 17, 18, 19
