Functions

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What is a function?

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A function is a relation that assigns exactly one output for each input. In other words, for every x-value, there is one and only one y-value.

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CCSS.8.F.A.1

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What is a zero of a function?

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A zero of a function is a value of x that makes the function equal to zero. It is the x-intercept of the graph.

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CCSS.HSF-IF.C.7D

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How can you determine if a graph represents a function?

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A graph represents a function if any vertical line drawn through the graph intersects it at most once (Vertical Line Test).

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What does it mean if a table of values is not a function?

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A table of values is not a function if any x-value is repeated with different y-values.

Tags

CCSS.8.F.A.1

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Back

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CCSS.HSF-IF.C.7D

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Back

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CCSS.HSF-IF.C.7C

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What is the definition of a linear function?

Back

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CCSS.8.F.B.4

CCSS.HSF.LE.A.2

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What is the slope of a line?

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The slope of a line is a measure of its steepness, calculated as the change in y divided by the change in x (rise over run).

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CCSS.8.EE.B.5

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What is 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 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.

Tags

CCSS.8.F.A.1

CCSS.HSF.IF.A.1