Functions

Determining whether its a function or not.

Ordered Pairs


It is a function if...

-There are commas in the pairs

-There are parenthesis around each pair

Table

It is a function if...

-There are no repeating x values

-The x values are in numerical order

-Every x values only has one y value

Map

It is a function if...

-Both x and y values are in numerical order

-very x values only has one y value

-no repeating values

Graph

It is a function if...

-There are arrows on the line

-Labeled the x and y axis

-The increments are equal

-The graph passes the "vertical line test"

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