Math 121

Homework #4

Instructions. This is due on October 31 at the beginning of class. It is worth 20 points. Late papers lose 3 points per day late. You must work by yourself, but feel free to consult with me. Explain what you did and why you did it: good explanations are essential! Your paper should start with an introduction and finish with a conclusion. Start early, ask questions and do well.

Problems. This assignment requires calculator usage. Be sure to draw pictures and explain each step.

Work exercises 41 and 42 on page 225.