Evaluating 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 from a set of inputs.

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CCSS.8.F.A.1

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What does it mean to evaluate a function?

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Evaluating a function means substituting a specific value for the variable in the function's expression to find the corresponding output.

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CCSS.HSF.IF.A.2

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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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This represents a quadratic function where the output is the square of the input minus one.

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CCSS.HSF.IF.A.1

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How do you find the value of a function at a specific point?

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To find the value of a function at a specific point, substitute the x-value into the function's equation and simplify.

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CCSS.HSF.IF.A.2

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It means that when the input is 5, the output of the function H is 18.

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CCSS.HSF.IF.A.2

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CCSS.HSF.IF.A.2

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What is a linear function?

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CCSS.8.F.B.4

CCSS.HSF.LE.A.2