2.1: Relations and Functions Flashcards
1
Q
a set of pairs of input and output values.
A
relation
2
Q
the set of all inputs
A
domain
3
Q
the set of all outputs
A
range
4
Q
which 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” When the value of x is 3, f(3), read “f of 3” represents the value of the function at x = 3
A
function notation
