2.1 relations and functions Flashcards
1
Q
relation
A
set of pairs of input and output values
2
Q
Domain
A
set of all inputs or x coordinates of the ordered pairs
3
Q
range
A
Set of all outputs or y coordinates of the ordered pairs.
4
Q
Mapping diagram
A
links elements of the domain with corresponding of the range.
5
Q
Function
A
is a relation in which each element of the domain is paired with exactly one element in the range.
6
Q
Vertical line test
A
on the graph of a relation to tell whether the relation is a function
7
Q
Function Notation
A
f(x) as ‘f of x’ note that f(x) does not mean f times x
