We also were shown how to use the DrawRect program for the TI -83/84. You should complete the two charts on page 3 of your packet using this program (only complete to n = 50).
Homework is book assignment 4.2.
Looking for more examples? Use the link below.
http://www.youtube.com/watch?v=qcuq_BwckHM
http://www.education.com/study-help/article/rectangular-approximations/