According to data from the U.S. Department of Education, the average cost y of tuition and...

According to data from the U.S. Department of Education, the average cost y of tuition and fees at four-year public colleges and universities in year x is approximated by

where x = 0 corresponds to 2000. If this model continues to be accurate, in what year will tuition and fees reach $7000? Round your answer to the nearest year.