Math 71A 4.2 – Compound Inequalities 1

2

3 intersection

4 common

5 intersection common bothand

6 intersection common bothand “A intersect B”

7 intersection common bothand “A intersect B”

8 Intersection

9

10 Intersection

11 Intersection

12

13 union

14 union all

15 union all or

16 union all or

17 Union

18 Union

19 Union

In summary… …to intersect two sets, take _____________ elements. …to union two sets, take _______ elements. 20

In summary… …to intersect two sets, take _____________ elements. …to union two sets, take _______ elements. 21 common

In summary… …to intersect two sets, take _____________ elements. …to union two sets, take _______ elements. 22 common all

23

24 “and”

25 “and” “or”

26 compound inequality “and” “or”

27 compound inequality “and” “or”

28 “And”

29 “And”

30 “And” both inequalities

31 “And” both inequalities

32 “And”

33 “And”

34 “And”

35 “And”

36 “And”

37 “And”

38 “And”

39 “And”

40 “And”

41 “And”

42 “And”

43 “And”

44 “And”

45 “And”

46 “And”

47 “And”

48 “And”

49 “And”

50 “And”

51 “And”

52 “Or”

53 “Or”

54 “Or” either inequality

55 “Or” either inequality

56 “Or”

57 “Or”

58 “Or”

59 “Or”

60 “Or”

61 “Or”

62 “Or”

63 “Or”

64 “Or”

65 “Or”

66 “Or”

67 “Or”