It is estimated that the annual advertising revenue recieved by a certain newspaper will be R(x) = 0.5x2 + 3x + 160 thousand dollars when its circulation is x thousand. The circulation of the paper is currently x(y) = 10 + 2y thousand papers when y is the number of years after 2010. What is the rate of change in advertising revenue with respect to the number of years after 2010 for the year 2017 (y = 7)? Explain your answer in context of the problem. Edit View Insert Format Tools Table