Reading assignment:
Sections 4.3 and 4.4 of Chapter 4 ( = Sections 3.4, and 3.5 of Chapter 3 of 5th Edition)

Written assignment:

1. (3 points) Exercise 21 Sec. 4.1, page 280 ( = Exercise 13 Sec. 3.3, page 253 of 5th Ed.).
   Hint: You may use the fact (proved in class) that 2ⁿ > 2n + 1 for n ≥ 3
2. (3 points) Exercise 47 Sec. 4.1, page 281 ( = Exercise 51 Sec. 3.3, page 255 of 5th Ed.)
3. (3 points) Exercise 60 Sec. 4.1, page 282 ( = Exercise 63 Sec. 3.3, page 256 of 5th Ed.)
4. (3 points) Exercise 35 Sec. 4.2, page 294 ( = Exercise 67 Sec. 3.3, page 256 of 5th Ed.)
5. (3 points) Exercise 18 Sec. 4.3, page 308 ( = Exercise 18 Sec. 3.4, page 271 of 5th Ed.)