The amounts y (in billions of dollars) the U.S. federal government spent on applied research from 2013 through 2018 can be approximated by the model y = 0.0229!2 - 0.526: + 24.34, where t represents the year, with t = 13 corresponding to 2011+ Use a graphing utility to graph the model. Find the average rate of change :11an 2013 to 2018. (Round your answer to two decimal places.) mavg = E bIllIon dollars per year Interpret your answer in the context of the problem. of the model (in billion dollars per year) from The amount the U.S. federal government spent on applied research increased by about $ [:1 billion each year from 20 13 to 2018