Section 1.4: 9

Section 2.1: 5

Section 2.2: 3, 5, 17, 27, 33

Section 2.4: 9, 25(a), 31

Section 2.5: 5, 7, 9, 11, 15

– You should also review mathematical induction and the examples thereof that we did in class. Another exercise in induction: prove that the sum of the first n positive integers is n(n+1)/2.

– After you’re done with that, check out this picture of Bob Marley that was for sale for $100 at a visitor center near the Grand Canyon:

One hundred American dollars for that.