Domain Algebraically, Domain and Range in Interval Notation

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How do you find the range of a graph?

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The range is found by reading the ends of a graph from bottom to top.

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What is the range of the graph that has endpoints at -3 and 1?

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What does the term 'domain' refer to in a function?

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The domain is the set of all possible input values (x-values) for the function.

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What does the term 'range' refer to in a function?

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The range is the set of all possible output values (y-values) for the function.

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How do you express the domain of a function in interval notation?

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Use brackets [ ] for inclusive endpoints and parentheses ( ) for exclusive endpoints.

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