2.1: Relations and Functions Flashcards
1
Q
relation
A
a set of pairs of input and output values
2
Q
domain
A
the set of all inputs, or x-coordinates of the ordered pairs
3
Q
range
A
the set of all outputs, or y-coordinates of the ordered pairs
4
Q
mapping diagram
A
links elements of the domain with corresponding elements of the range
5
Q
function
A
a relation in which each element of the domain is paired with exactly one element in the range
6
Q
vertical-line test
A
used on the graph to tell whether the relation is a function
7
Q
function notation f(x)
A
read as “f of x” or “a function f of x”
