Understand that the graph of a function labeled as f is the set of all ordered pairs (x,y) that satisfy the equation y=f(x).
Khan Academy ResourcesEvaluate function expressionsEvaluate functions from their graphFunction rules from equationsFunction inputs & outputs: graphIdentifying values in the domainFunction inputs & outputs: equationRecognize 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?Evaluating discrete functionsWorked example: matching an input to a function's output (graph)Determining whether values are in domain of functionWorked 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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