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Question 8
A town has a population of 50,200 and grows at a rate of every year.
Which equation represents the town’s population after 2 years?
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Ask by Weston Estrada. in the United States
Mar 21,2025

Upstudy AI Solution

Tutor-Verified Answer

Answer

The equation representing the town’s population after 2 years is .

Solution

  1. The formula for exponential growth is
    where is the initial population, is the growth rate, and is the number of years.
  2. Here, , (which represents ), and .
  3. Substituting these values into the formula gives
  4. Therefore, the equation that represents the town’s population after 2 years is

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Bonus Knowledge

The correct way to model compound growth, like the town’s population increase, revolves around the formula for exponential growth, which is super simple to remember. If the population is , the initial population is , and the growth rate is , then after years, the equation becomes . In this case, , , and . So, is spot on!
As for a common mistake, remember not to confuse addition with multiplication regarding growth! Many might mistakenly think that adding the growth rate repeatedly is the same as compounding, but that’s not the case! The exponential growth model shows that year-over-year growth compounds, leading to a much larger increase than just simple addition would suggest. Stay sharp!

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