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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CCSS.8.F.A.1

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How do you evaluate a function at a specific point?

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To evaluate a function at a specific point, substitute the value of the variable into the function's equation.

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CCSS.HSF.IF.A.2

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What does it mean for a graph to represent a function?

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A graph represents a function if every vertical line intersects the graph at most once (Vertical Line Test).

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0

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CCSS.HSF.IF.A.2

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How do you determine if a table of values represents a function?

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

Tags

CCSS.8.F.A.1

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9

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CCSS.HSF.IF.A.2

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21

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CCSS.HSF.IF.A.2

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What is 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 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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What is a linear function?

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Tags

CCSS.8.F.B.4

CCSS.HSF.LE.A.2