{1,2,3,4,5} intersect {5,6,7,8,9}:
{ }
{5}
1,2,3,4,5,6,7,8,9
5
Which of the following are true?
Set elements must be capitalized
A union B refers to the sets in A and B
Set elements are enclosed in parentheses
|A| = the number of elements in A
(. . .) is called the trilipsis symbol
Sets are used frequently in the field of:
Science
History
Mathematics
English
Geography
Two sets are equal if:
They contain the same elements
They contain the same number of elements
They are subsets of each other
Their intersection is { }
Their union is { }
Which set is a proper subset of the set of toys: T = {bear, doll, blocks, lego, kitchen set}
S = {blocks, lego, lincoln logs}
S = {blocks, lego}
S = {bear, doll, blocks, lego, kitchen set}
All of these answers are correct
None of these answers are correct
