23

course Mth 151

Section 2.33. a

5. e

6. d

9. {abcdef}

10. {bc}

12. {abc}

15. {df}

18. {abcdef}

20. {bcdefg}

21. {a}

24. {eg}

27. {df}

30. none

33. set of all elements that are in C but not in B, or are in A

35. set of all elements that are in A but not in C or in B but not in C

36. set of elements that are not in A or B are in C

39. {Liver, brain}

40. {Heart}

42. {emphysema, cancer}

45. set tax returns filed in 2005 without itemized deduction

48. set of tax returns in 2005 that’s not in all tax returns with itemized deductions that are not in tax returns showing business income

50. not always true

51. always true

54. always true

57. A) {1,3,5,2,4} B) {1,3,5,2,4} C) any sets X,Y, and Z, X U (YUZ) = (XUZ) U Z

60. A) 4 B) 2,4,5

63. True

66. false

69. true

70. true

72. A * B (3,6) (6,6) (9, 6) (12,6) B*A (6,3) (6,6) (6,9) (6,12)

75. Both

78. 65

80. 10

81. in the main part of the box you will find C that will go along with U. In the big circle with A you will only find f. In the big circle where B is you will find a and e. In the intersection of A and B you will find d, g, and b

83. Only B is colored in

85. Both U and B are colored in

86. Only the intersection is colored in

89. Nothing is colored in

90. Only A is colored in

93. Nothing is colored in

95.In the main part of the box you will fine w along with U. In the circle titled A you will only find n. in the circle titled B you will find nothing. The intersection of A and B is only q. In the circle titled C you will find only v. the intersection of A and C in t and r. the intersection of B and C is o, s, and u. The intersection of A and B and C are only m and p.

96. In the main part of the box you will find 2 along with U. In the circle titled A you will find nothing. In the circle titled B you will only find 8. In the intersection of A and B you will find 3. In the circle titled C you will find 9. In the intersection of B and C you will find 4 and 6. In the intersection of A and C you will find 5 and 7. In the intersection of A and B and C you will only find 1.

99. Everything in the box is colored except: C and the intersection of A and C and the intersection of B and C

100. The circle B is colored in and C is colored in.

102. Everything is colored in

105. Only A is colored in

108. Only C and its intersections are colored in

109. (A U B) ‘

110. (B U A’)

111. (A U B) n (A U B) ‘

114. A U ( B U C) ‘

115. ( A n B) – C

117. A n B = empty set

120. A = empty set

123. A = empty set

125 A = empty set

126. A = empty set

129. always true

130. not always true

132. always true

135. always true

You are asked to submit q_a and query documents, which ask you specific questions about selected assigned problems and require explanations and self-critiques as opposed to just answers.

To understand this process you need to complete the Orientation.