Suppose that a certain television program has ana average point rating of 5.9 (rating measure the number of viewers), and that the program's executives estimate that a 0.2 drop in ratings will corresp

Suppose that a certain television program has ana average point rating of 5.9 (rating measure the number of viewers), and that the program's executives estimate that a 0.2 drop in ratings will correspond to a $4.7 million drop in revenue. If f(p) is the revenue earned in millions of dollars in terms of p, the rating points, estimate f'(p) and explain the meaning of the number you found (including units).