Texas Instruments
Texas Instruments: Similarities and Differences in Families of Functions
In this activity, students compare the properties and attributes of different functions.
National Council of Teachers of Mathematics
The Math Forum: Ask Dr. Math: Graph of Circle as a Function
Dr. Math, in a reply to a student question, describes how a circle can be a function.
Khan Academy
Khan Academy: Algebra: Compare Linear Functions
In this exercise, students practice comparing linear functions. Students receive immediate feedback and have the opportunity to watch a video, get hints, or try questions repeatedly.
Khan Academy
Khan Academy: Algebra: Comparing Linear Functions Word Problems
Compare features of two real-world relationships that can be modeled by linear functions, where the functions are represented in different ways. Students receive immediate feedback and have the opportunity to try questions repeatedly,...