Testing if a relation is a function (video)

HOW TO KNOW IF IT IS A FUNCTION OR NOT (RELATIONSHIP) (Explanation and examples). Watch later. Share. Copy link. Info. Shopping. Tap to unmute.
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Representing Functions and Relations

In mathematics, a correspondence between variables that change together (such as time and height) is called a relation. Some relationships, but not all
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How to know if it is a function or a relation?

Learn how to determine if the points on a graph represent a function. of course it would be a function however these two points kind of throw a 
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