9. (−2, 5)
11. (0. 4]
13. [−1, ∞)
15. (−∞,−2]
17. (−1, ∞)
19. (−∞, 3)
21. [−3, ∞)
23. (−∞, 2)
25. (−∞,−4)
27. (−∞,−1)
29. (−∞, 3]
31. (2, ∞)
33. ∅
35. (−∞, 32]
37. (−∞, ∞)
39. (−∞, 3]
41. [2, ∞)
43. [−18, ∞)
45. ∅
47. [15, ∞)
49. (−∞, ∞)
51. (−∞,−2)∪(2, ∞)
53. (−∞, 112]
55. (−∞,−2]∪(6, ∞)
57. (−∞, ∞)
59. [−2, 5]
61. [−2, 5)
63. ∅
65. (−∞, 5]
67. (−2,−1)
69. [−2, 4)
71. [−6, 1]
73. (−3, 3]
75. (−1, 32]
77. ∅
79. a=5, b=8
81. a=1, b=3
83. a=−1, b=19
85. [−6, 2]
87. (−∞,−32]∪ [13, ∞)
89. [−3,−1]∪[1, ∞)
91. (−2, 0)∪(6, ∞)
93. ∅
95. {0}∪[1, ∞)
97. (−∞,−1]∪[1, ∞)
99. (−∞,−2)
101. (−2, 5)
103. (−4, 0)
105. (−∞,−52]∪(−2, ∞)
107. (−2, 0)∪(2, ∞)
109. (−∞,−5)∪[−1, 2]∪(3, ∞)
111. (−2,−1]∪[1, 2)
113. (23, 3]
115. (−12, 34]
117. (−3,−13]∪(3, ∞)
119. (−1, 17]∪(3, ∞)