Math Problem Statement
In an effort to control vegetation overgrowth, 149149 rabbits are released in an isolated area free of predators. After 33 years, it is estimated that the rabbit population has increased to 11921192. Assuming exponential population growth, what will the population be after another 66 months? Round to the nearest rabbit.
Solution
We can solve this problem using the formula for exponential growth:
Where:
- is the population at time ,
- is the initial population,
- is the growth rate constant,
- is the time in years (we will adjust as needed).
Step 1: Define known values
- Initial population ,
- Population after 33 years ,
- Time years.
Step 2: Solve for the growth constant
Using the exponential growth formula:
To isolate , divide both sides by 149149:
Now take the natural logarithm of both sides:
So,
Now solve for :
Step 3: Calculate the population after 66 months
66 months is years.
Using the exponential growth formula again, we find the population after 5.5 years:
Final Answer:
After another 66 months, the population is approximately 308,657 rabbits (rounded to the nearest rabbit).
Would you like more details or further clarification?
Here are some additional related questions:
- How do you determine the growth rate constant more generally from population data?
- What happens to the population if the environment starts to limit growth?
- How would the population calculation change if a predator were introduced?
- How do exponential and logistic growth models differ in real-world scenarios?
- What would the population be after 10 years under the same growth conditions?
Tip: When dealing with exponential growth problems, it’s important to pay attention to the units of time and make sure they match up (in this case, years and months).
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Math Problem Analysis
Mathematical Concepts
Exponential Growth
Population Modeling
Logarithms
Formulas
P(t) = P0 * e^(kt)
k = (ln(P(t) / P0)) / t
Theorems
Exponential Growth Model
Suitable Grade Level
Grades 10-12, College Algebra
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