Homework IX

1. [5 points]

Problem #7, p. 70 of our text.

2. [20 points]

Problem #9, p. 70 of our text.

3. [10 points]

Problem #3(b), p. 79 of our text.

4. [10 points]

Problem #7, p. 79 of our text.

5. [15 points]

Problem #1, p. 91 of our text.