16. + -12 points HarMathAp12 5.3.047 My Notes Ask Your Teacher An investment services company experienced dramatic growth in the last two decades. The following models for the company's revenue R and expenses or costs C (both in millions of dollars) are functions of the years past 1990 Re)-21.400.1311 and c) 18.600.1 (a) Use the models to predict the company's profit in 2017. (Round your answer to one decimal place.) million (b) How long before the profit found in part (a) is predicted to double? (Round your answer to the nearest whole number.) years after 1990 Need Help?Read It Talk to a Tutor