Let C(t) be the number of students majoring in chemistry where t is the number of years since 2010. 600 500 You do not need to sketch this figure on your 400 paper but you do need to show your work. 300 # of students 200 100 1 2 3 4 5 6 7 8 9 years a) Find the average rate of change in O(t) over the interval 3 S t $ 6. Explain the meaning of your answer b) Estimate C'(2). Explain the meaning of your answer. Remember units. c) In what year(s) is C' (t) = 0. Explain briefly where these values are found graphically