Defining Functions A gold star indicates high-quality, inquiry-based activities that follow the PhET design guidelines.


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Title Defining Functions
Description Define a function as a rule relating each input to exactly one output and consistently acting on inputs. Predict outputs of a function using given inputs. Describe a linear function in terms of a table, graph, equation, or series of operations.
Subject Mathematics
Level Middle School
Type Guided Activity
Duration 60 minutes
Answers Included No
Language English
Keywords function, function rule, input, linear function, output
Simulation(s) Function Builder (HTML5)


Author(s) Amanda McGarry
Contact Email amanda.mcgarry@colorado.edu
School / Organization PhET
Date submitted 18/09/07
Date updated 18/09/07