Question
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The value of a certain automobile that is years old can be modeled by . According to the model,
when will the car be worth each of the following amounts?
(a)
(b)
©

Ask by Bush Hart. in the United States
Jan 22,2025

Upstudy AI Solution

Tutor-Verified Answer

Answer

The car will be worth $7,000 after about 4.2 years.
Part (b): When will the car be worth $6,000?
We’ll follow a similar approach to find when :
  1. Divide both sides by 14,576:
  1. Take the natural logarithm of both sides:
  1. Calculate the values:
Conclusion:
b) The car will be worth $6,000 after approximately 5.1 years.
Part ©: When will the car be worth $4,000?
Now, we’ll find when :
  1. Divide both sides by 14,576:
  1. Take the natural logarithm of both sides:
  1. Calculate the values:
Conclusion:
c) The car will be worth $4,000 after approximately 7.4 years.
Summary:
  • $7,000: Approximately 4.2 years
  • $6,000: Approximately 5.1 years
  • $4,000: Approximately 7.4 years

Solution

To determine when the car will be worth a specific amount, we’ll use the given depreciation model:
Here, is the value of the car after years, and is the depreciation factor per year.
Part (a): When will the car be worth $7,000?
We need to solve for when :
  1. Divide both sides by 14,576:
  1. Take the natural logarithm of both sides to solve for :
  1. Calculate the values:
Conclusion:
a) The car will be worth $7,000 after approximately 4.2 years.

Answered by UpStudy AI and reviewed by a Professional Tutor

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Explain
Simplify this solution

Mind Expander

To find when the car will be worth the specified amounts, we set up the equation and solve for .
(a) For :
Dividing both sides by 14,576:
Taking the logarithm of both sides:
Now solving for :
So, the car will be worth $7000 in about 3.56 years.
(b) For :
Dividing both sides by 14,576:
Taking logarithms:
Now solving for :
So, the car will be worth $6000 in about 4.51 years.
© For :
Dividing both sides by 14,576:
Taking logarithms:
Now solving for :
So, the car will be worth $4000 in about 5.78 years.

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