Please solve

Suppose that, for a particular social networking company, the annual revenue from rich media advertisements, in millions of dollars, for the years 2007 through 2012 can be approximated with the model R(a:) = 2:4 + 10w3 - 35:1;2 + 47m, where a: is the number of years from the beginning of 2007. a. For this company, What. was the revenue from rich media advertisements at the beginning of 2011? $ w___,, 1., million b. At what rate was the revenue changing in the year 2011? $ million per year