Problem set (do at least 100 points worth; the max number of points is 100):

• Problem1-1 (10 pts)
• Problem 1-2 (30 pts)
• Problem 1-3 (20 pts)
• Problem1-4 (30 pts)
• Problem 1-5 (10 pts)
• Problem 1-6 (20 pts)
• Problem 1-7 (25 pts: 5 pts each function)
• Problem 1-8 (20 pts)