2.1: Relations and Functions Flashcards
1
Q
a set of pairs of input and output values
A
relation
2
Q
a relations is the set of all inputs, or x-coordinates of the ordered pairs
A
domain
3
Q
of a relation is the set of all outputs, or y-coordinates of the ordered pairs
A
range
4
Q
links elements of the domain with corresponding elements of the range
A
mapping diagram
5
Q
a relation in which each element of the domain is paired with exactly one element in the range
A
function
6
Q
on the graph of a relation to tell whether the relation is a function
A
vertical-line test
7
Q
f(x) as “f of x” or “a function f of x.” Note that f(x) does not mean “f times x.”
A
function notation
