Practice problems by section: 7.1 #12, 16, 20 7.2 #13, 14, 36, 39, 44 7.3 #16, 20, 23, 33 7.5 #15, 19, 35, 37 7.6 #13, 20, 38, 45, 48 7.7 #8, 11, 16, 27 Formula Sheet