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To help save an endangered species like the cheetah, you must start by understanding its behavior. Only the brave need apply for this job, however, because this kind of biological study is up close and personal. Featured: Susan Millard, Research Supervisor, Center For Reproduction Of Endangered Species, Zoological Society of San Diego.  

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Variables

1. Name at least three variables that would apply to managing wildlife populations.

Expressions and Equations

2. Suppose that P is the population at the start of the year, Y is the number of young that are born and survive, and D is the number of cheetahs that die in a year.  What expression would represent the population at the end of the year?

3. Skill Set: "Population Equations"

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Patterns, Relations and Functions 

4. Describe at least two relationships that would exist between the variables you came up with for question #1.  Explain why you think these relations would or would not be functions.

Linear Equations and Functions

5. Real-World Problem: "Saving the Bald Eagle"

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Exponential Equations and Functions

6. Real-World Problem: "Population Growth"

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