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{(1,2),(2,3),(3,2)}
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Function
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This is a function because
no x-coordinate has more than one
y-coordinate matched with it.
|
|
y=3x-9
|
Function
|
This is a function because
no x-coordinate will result
in more than one y-coordinate.
|
|
Function
|
This is a function because
no x-coordinate has more than
one y-coordinate matched with
it.
|
 |
Function
|
The "Vertical
Line Test" here shows that at no time will a vertical line ever
cross the graph in more than one point. Therefore, this is a function.
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|
{(1,2),(4,2),(6,4),(7,1),(1,3)}
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Not a Function
|
Because of the two ordered
pairs (1,2) and (1,3). There is a "violation." There is more than
1 y-coordinate
for the x-coordinate
1.
|
|
Not a Function
|
Just one example of a "violation" is the pair of ordered
pairs: (1,1), and (1,-1).
|
|
Not a Function
|
The two ordered
pairs shown: (-3,9) and (7,9) violate the function
rule.
|
 |
Not a Function
|
The "Vertical
Line Test" here shows more than 1 point of intersection.
this shows that there is at least 1 pair of points with the same x-coordinate
and a different y-coordinate.
This is a violation of the Vertical
Line Test. This is therefore not a function.
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