Domain and Range tracer

Mr. Bigger created this page to illustrate domain and range. [br]Click the play button in the bottom left corner of the geogebra window.
1. Is the relation a function? How can you tell?[br]1. What does the trail left by point B represent?[br]2. What does the trail left by point C represent?[br]3. What is the domain of the relation?[br]4. What is the range of the relation?

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