Master how to determine the domain and range from mapping

The video tutorial explains how to determine the domain and range from a set of mappings. It covers the definition of domain and range, emphasizing that the domain is the set of all input (X) values and the range is the set of all output (Y) values. The tutorial provides examples to illustrate how to identify domain and range, ensuring that each input maps uniquely to one output, thus forming a function. It also discusses cases where mappings do not form a function and concludes with a summary of the key points.

In the example provided, what are the domain and range values?

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Explain why certain mappings do not represent a function based on the provided text.

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