Calculus A Homework 3 Due Monday, September 19, 2011 Section 2.1 #3. Section 2.2 # 5, 9, 14, 19, 27, 28. Section 2.3 # 3, 8-12, 19, 25-27, 31. In Section 2.2 problem 28, let me add the following challenge: Can you figure out what this number is? Like, is it sqrt(2) or Pi^2 or something else recognizable?