Introduction to Functions Vocabulary

A ___ is a set of ordered pairs.

• x-coordinates

• relation

• vertical line test

• same value

The x-coordinates in a relation are ___.

• inputs

• y-coordinates

• outputs

• values

The y-coordinates are the ___.

• inputs

• x-coordinates

• outputs

• function

(1, 2) - In this ordered pair the 1 represents the ___.

• input

• output

(1, 2) - the 2 represents the ___.

• input

• output

The vertical line test says that if a vertical line can be drawn so that it passes through more than one point on the graph, then the relation is not a function.

• true

• false