File that allows you to show how to use the Vertical Line Test to determine whether a relation is
a function or not. This is a Geogebra file. The sofware to view it can be downloaded for free via this site: https://www.geogebra.org/
Strand: 5. Functions
Strand unit: 1. Functions
Suggestions for use: Use to demonstrate/investigate if a relation is a function or not by using the Vertical Line Test
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