2. Car A was valued at $18,000 in the year 2015. Its value had depreciated to $10,700 by the year 2019. Car B was valued at $31,000 in the year 2015. Its value had depreciated to $11,000 by the year 2019. a. Find the annual rate of change of the value between 2015 and 2019 for each car. b. Assume both rates of change stay constant. Find the value of each car in 2021. c. Find when the cars have the same value.