The sad decline of a car's value (performance assessment) Forums Main Page › Forums Main Page › Algebra › Algebra II › Exponential Functions › Exponential Growth and Decay › The sad decline of a car's value (performance assessment) This topic has 0 replies, 1 voice, and was last updated 10 years, 4 months ago by Sharma. Viewing 0 reply threads Author Posts December 18, 2013 at 7:10 pm #1789 SharmaKeymaster 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). Author Posts Viewing 0 reply threads You must be logged in to reply to this topic. Log In Username: Password: Keep me signed in Log In