Functions and Function Notation

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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 from a set of inputs.

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CCSS.8.F.A.1

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What is function notation?

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Function notation is a way to represent functions using symbols, typically written as f(x), where f is the function name and x is the input.

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CCSS.8.F.A.1

CCSS.HSF.IF.A.1

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CCSS.HSF.IF.A.2

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CCSS.HSF.IF.A.2

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Set -5 = -5x + 10, then x = 3.

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CCSS.HSF.IF.A.2

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Translate the coordinate pair (0,8) into function notation.

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CCSS.HSF.IF.A.2

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What is the dependent variable in a function?

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The dependent variable is the output of the function, often denoted as f(x).

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CCSS.8.F.A.1

CCSS.HSF.IF.A.1

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What is the independent variable in a function?

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The independent variable is the input of the function, often denoted as x.

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CCSS.8.F.A.1

CCSS.HSF.IF.A.1

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CCSS.HSF.IF.A.2

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What does it mean for a function to be linear?

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CCSS.8.F.A.3