The following table shows the expenditures in billions of dollars for dental services in the U.S. for years since 1980 Year | $Expenditures 2 17 5 21.7 8 27.3 11 33.3 14 41.5 17 50.2 20 52 23 76 26 91.4 29 102.2 A scatter plot for the data with a quadratic model and a exponential model follows. 110- 100 90 80 70 60 50 40 30 20 10 3 6 9 12 15 18 21 24 27 30 Use the above scatter plot to decide which model fits the data well. neither quadratic linear Let C(t) be the expenditures in billions of dollars on dental services for t years since 1980. A quadratic model for the data is C'(t) = Use three decimals in your answer. Estimate the expenditures in 2010. $ Use one decimal in your answer.The following table shows the tuition for a semester at CBU in dollars for years since 1990. CBU Tuition 13000+ 12000+ 11000+ 10000+ 9000 + 8000+ 7000+ 6000+ 5000+ 4000+ 6 9 12 15 18 21 Use the above scatter plot to decide which model better fits the data. quadratic linear none Llet C (t) be the cost of tuition at CBU in dollars for t years since 1990. A quadratic model for the data is C(e) =| Use three decimals in your answer. Estimate the tuition in 2017. |