Problem : If X = { -1, 2, 9, 3, 0} and Y = {2, 0, 1, 3, -9}, what is X∪Y ?
X∪Y = { -9, -1, 0, 1, 2, 3, 9}
Problem : If X = { -1, 2, 9, 3, 0} and Y = {2, 0, 1, 3, -9}, what is X∩Y ?
X∩Y = {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 X∩Y has 2 members, how many members does X∪Y have?
8
Problem : If A has 5 members, B has 3 members, and A∪B has 6 members, how many members does A∩B have?
2
Problem : Draw a Venn diagram for { -3, -2, -1, 0}∩{0, 1, 2, 3}