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Compound Inequalities

Problems

Union and Intersection of Sets

Union and Intersection of Inequalities

Problem : If X = { -1, 2, 9, 3, 0} and Y = {2, 0, 1, 3, -9} , what is XY ?

XY = { -9, -1, 0, 1, 2, 3, 9}

Problem : If X = { -1, 2, 9, 3, 0} and Y = {2, 0, 1, 3, -9} , what is XY ?

XY = {0, 2, 3}

Problem : Draw a Venn diagram for {1, 2, 3, 4, 8, 9}∪{1, 3, 4, 6} .

Problem : If X has 4 members, Y has 6 members, and XY has 2 members, how many members does XY have?

8

Problem : If A has 5 members, B has 3 members, and AB has 6 members, how many members does AB have?

2

Problem : Draw a Venn diagram for { -3, -2, -1, 0}∩{0, 1, 2, 3}

Problem : What is {2, 3, 4, 5}∩{2, 3, 4, 5} ?

Ø

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