Calling all subscribers! Model revenue based on individual cell phone subscribers. The project-based learning activity presents a challenge to scholars from a cell phone company. Individuals model data provided to them from the company to show the revenue per subscriber over the past several years. The individuals produce a final report with the function model and make predictions using it.

Concepts

regression analysis, graphing rational functions, rational functions, graphing polynomial functions, polynomial functions, functions

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Additional Tags

math

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Instructional Ideas

• Provide opportunities for class members to operate with functions
• Lead a brief discussion about cost and revenue functions

Classroom Considerations

• Pupils should be familiar with fitting functions to scatter plots

Pros

• The activity contains two regressions that do not seem to work
• The task outlines a process to use to arrive at a solution

Cons

• Minor typos in the project letter

Common Core

HSF-IF.C.7.c HSF-IF.C.7.d HSF-BF.A.1.b HSS-ID.B.6.a MP1 MP4 MP5