2.1 Relations and Functions Flashcards
1
Q
Relation
A
A set of pairs of input and output values.
2
Q
Domain
A
The —– of a relation is the set of all outputs, or y-coordinates of the ordered pair.
3
Q
Mapping Diagram
A
Links elements of the domain with corresponding elements of the range.
4
Q
Function
A
A relation in which each element of the domain is paired with exactly one element in the range.
5
Q
Vertical-line Test
A
You can use the —— on the graph of a relation to tell whether the relation is a function.
6
Q
Function Notation
A
You read the —– f(x) as “f of x” or “a function f of x.”
7
Q
Range
A
The —– of a relation is the set of all outputs, or y-coordinates of the ordered pairs.
