Employers are increasingly turning to GPS (global positioning system) technology to keep track of their fleet vehicles. In a study conducted in the early 2000s, it was found that the estimated number of automatic vehicle trackers installed on fleet vehicles in the United States is: () = 0.6 0.17 , 0 ≤ ≤ 5 where () is measured in millions and is measured in years, with = 0 corresponding to the year 2000. (a) What was the number of automatic vehicle trackers installed in the year 2000? (b) In what year would approximately 1,400,000 automatic vehicle trackers be installed on fleet vehicles?