just answer (a)

A company introduces a new product for which the number of units sold S is given by the equation below, where t is the time in months. S(t ) = 245 5 -9 (a) Find the average rate of change of S(t) during the first year. (b) During what month of the first year does S '(t) equal the average rate of change? May v v Need Help? Read It Master It Submit