Chapter 7 Exercises

Chapter 7 Exercises published at http://docs.google.com/View?id=d5d8bxk_70f8tk4dd9

• Chapter 7 is a difficult chapter because it is hard to absorb all the material. The new exercises should help.
• After the first four problems, I started to understand the chapter better and I got through the rest smoothly. The functions took some time but after many trial and errors I got them all to work successfully.