This performance task gives the population model of different types of flies and asks scholars to analyze the two populations. After interpreting the functions individually, participants compare the two populations and find the time when their populations are equal.

Concepts

polynomial functions, solving systems by graphing

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Additional Tags

math

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Instructional Ideas

• Incorporate graphing calculators to aid in graphical analysis
• Utilize as a performance task assessment over polynomial function modeling

Classroom Considerations

• Meant to use after pupils have studied polynomial functions

Pros

• Does not include language that would lead pupils to a specific solution path, which helps build their analytical skills
• Incorporates a writing task to communicate findings

Cons

• None

Common Core

HSF-IF.C.7.a