The sad decline of a car's value (performance assessment)

[Sharma]

1.      You buy a new car for $20,000. The value of the car depreciates by 15% each year.

 

a)      Write a model giving the car’s value y in dollars after t years.

 

b)      Use the model to estimate the value of the car after.

i)        3 years                            ii) 10 years                                iii) 20 years

 

c)      Use the values from part b to graph the model (choose appropriate intervals).

 

 

 

d)      Estimate when the car will be $10,000 (Bonus: calculate the exact time in years).

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