2.1.21 The profits of a small company for each of the first five years of its operation are given in the table to the right. a. Plot points representing the profit as a function of year, and join them by as smooth a curve as you can. b. What is the average rate of increase of the profits between 2011 and 2013? c. Use your graph to estimate the rate at which the profits were changing in 2012. Profit in $1000s 77 98 Year 2010 2011 2012 2013 2014 133 182 245 a. Choose the correct graph below