Practice problems for Test II Do the following problems: 3.31, 4.2, 5.11, 5.13, 5.21, 5.22, 6.1, 6.3, 6.5, 6.6, 6.7, 7.1, 7.3, 7.5, 7.11 for discussion in class on Friday. Members of the team should be ready to go to the board to discuss what you have done on any problem. Remember, we don’t expect that you get it perfect, the whole point of the discussion is to identify possible difficulties. 1