A1.FN.1
Explain that a function assigns each element in the domain to exactly one element in the range.
Example Problems
Evaluate:
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Evaluate:
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Evaluate:
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Khan Academy ResourcesRecognize functions from tablesRecognize functions from graphsEquations vs. functionsRecognizing functions from tableRecognizing functions from graphObtaining a function from an equationWorked example: matching an input to a function's output (equation)What is the range of a function?What is a function?Worked example: two inputs with the same output (graph)Worked example: evaluating expressions with function notationDoes a vertical line represent a function?Worked example: matching an input to a function's output (graph)Worked example: domain & range of piecewise linear functionsWhat is the domain of a function?Worked example: Evaluating functions from graphWorked example: domain & range of step functionRecognizing functions from verbal descriptionRecognizing functions from verbal description word problems

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