y indicates that the average daily level P of a certain pollutant in the air, in parts per million, can be modeled by the equation P(n) = 0.10 \\ o.72 + 7n + 23 where n is the number of residents of the community, in thousands. Find the rate at which the level of pollutant is increasing when the population of the Community is 14,000. (Round your answer to three decimal places.) ppm/thousand residents Need Help? Read It Master It