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Virtual Math Learning Center Texas A&M University Virtual Math Learning Center

Population Model with Exponential Decay

Author: Doan Nguyen

The following problem is solved in this video. It is recommended that you try to solve the problem before watching the video. You can click "Reveal Answer" to reveal the answer to the problem.

Problem: The population of rabbits (R) and foxes (F) are related to each other as a predator-prey relationship. Assuming the populations follow the exponential growth or decay model, determine the population of foxes after two months and four months.
 

The population of rabbits and foxes over a 4 month span.
t, time in months 1 2 3 4
R, number of rabbits 500 ? 750 ?  
F, number of foxes ?   ?   57 50

74 foxes after 1 month.

65 foxes after 2 months.

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