Sets, Relations, and Functions Flashcards
1
Q
What are the Two Ways to describe Sets?
A
Roster-Form and Set-Builder-Notation
2
Q
What does Roster-Form look like?
A
It looks like: {…, -3, -2, -1,…}. It states the exact figures in a set.
3
Q
What does Set-Builder-Notation look like?
A
It looks like: {1≤x≤100}. It reads that x is 1 at the least and 100 at the most. This form doesn’t state the exact members of the set.
4
Q
What is a Relation?
A
A set of ordered pairs.
5
Q
What is a Function?
A
A relation in which every element of the domain is paired with one element of the range.
