Domain & Range - Finite Graphs

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What is the definition of the domain of a function?

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

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What is the definition of the range of a function?

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The range of a function is the set of all possible output values (y-values) that the function can produce.

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How do you determine the domain from a graph?

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To determine the domain from a graph, identify the x-values that the graph covers.

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How do you determine the range from a graph?

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To determine the range from a graph, identify the y-values that the graph covers.

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It means that x can take any value from a to b, including a and b.

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It means that y can take any value between c and d, but not including c and d.

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This indicates that the function is defined for all x-values from -15 to 20, inclusive.

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This indicates that the function can produce y-values from -4 up to, but not including, 10.