RELATIONS - DOMAIN AND RANGEThis presentation introduces the concept of relation as a set of ordered pairs and explains how to find the domain and range of a relation.
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FUNCTIONSThis presentation introduces the concept of function and how to decide if a given relation is a function or not. It uses an analogy to explain the concept.
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VERTICAL LINE TESTThis presentation explain how to decide if a given graph is a function or not. Visually very appealing this presentation explains how to use vertical line test.
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FUNCTION NOTATIONThis presentation details how the nitty gritty of function notation and how to avoid common errors. Also explains how to find the value of a function for a particular value of variable.
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