7. The function R(t) = 3.1(1.02) gives the amount of yearly revenue (in millions of dollars) earned by a company t years after 1990. (a) (2 points) Write a formula involving a definite integral for the average amount of yearly revenue between 1995 and 2000. Use proper notation for the definite integral. The notation fnInt is not acceptable. (b) (3 points) Circle the answer that is closest to the average amount of yearly revenue (in millions of dollars) between 1995 and 2000. (i) 17.9891 (ii) 7.2015 (iii) 3.5978 (iv) 1.4403 (v) .0712 (c) (3 points) What is average rate of change of yearly revenue from 1995 to 2000. Round your final answer to 4 decimal places. Give units