Graph
Mapping
Table
Points
Equation
100
yes
100
yes
100
Does the table represent a function?
yes
100
(0, 0), (1, 1), (1, -1), (2, 2), (2, -2)
no
100
Is the equation a LINEAR function?
y=2x+3
Yes
200
no
200
yes
200
Does the table represent a function?
no
200
(4, 2), (5, 1), (6, 0), (7, -1), (8, -2)
no
200
Does the equation represent a LINEAR function? 
NO
300
no
300
no
300
Does the table represent a function?
no
300
(-2, 2), (-1, 1), (0, 0), (1, 1), (2, 2)
yes
300
Does the function represent a LINEAR function? 
YES
400
C is not a function
400
yes
400
Does the table represent a function?
yes
400
{(1,2), (2,4), (3,5)}
yes
400
Does the equation represent a LINEAR function? 
Yes
500
A graph is a function if it passes the _____________ line test
vertical
500
yes
500
Does the table represent a function?
no
500
(–3, 5), (–2, 5), (1, 5), (0, 5), (1, 5), (2, 5)
no
500
Does the equation represent a LINEAR function? 
Yes