A 1-year-old car is valued at $48,000 and is depreciating by
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A 1-year-old car is valued at $48,000 and is depreciating by

1. A 1-year-old car is valued at $48,000 and is depreciating by $4500 per year.

a. Write a formula for the value of the car an in dollars when it is n years old.

b. What will the value of the car be in the 11th year?

c. At what age will the car’s value be $21,000?

2. A 1-year-old factory machine is valued at $180,000 and is depreciating by $15,000 per year.

a. Write a formula for the value of the machine an in dollars when it is n years old.

b. What will the value of the machine be in the seventh year?

c. At what age will the machine’s value be zero dollars?

Hint

Mathematics

 an=48,000+ (n-1)4500

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