O The table gives the revenue, R of a fast food Revenue, R chain, where R is in millions of dollars and t is in Year, t (millions) years since January 1, 2007. Complete parts a-d below. a) Find the average rate of change in revenue over the one-year intervals from 2007 to 2008, from 2008 to 2009 and from 2009 to 2010. What is the average rate of change from 2007 to 2008? What is the average rate of change from 2008 to 2009? What is the average rate of change from 2009 to 2010