Evaluating Functions

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What is a function?

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A function is a relation between a set of inputs and a set of possible outputs where each input is related to exactly one output.

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How can you determine if a table represents a function?

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A table represents a function if each input (x-value) corresponds to exactly one output (y-value).

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What is the vertical line test?

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The vertical line test is a method to determine if a graph represents a function. If a vertical line intersects the graph at more than one point, it is not a function.

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What does it mean if a graph is not a function?

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If a graph is not a function, it means that at least one input corresponds to multiple outputs.

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What is the definition of a domain in 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 a range in 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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What is a linear function?

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What is a quadratic function?

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