Math 20B
Here are the homework solutions in pdfs. I've added answers to the old assignments (but they're on the sloppy side).
HW 1
HW 2 The answers to the exercises in Supplement 1.6 are on this page.
HW 3
HW 4
HW 5 There should be a +c on problem three in the supplement.
HW 6
HW 7
HW 8
HW 9 Note that sections 9.2 and 9.4 are not going to be on the final exam.
Here are some extra problems from the chapter review sections in the book.
Review Exercises