Question: Not sure how to solve this problem Air Pollution The amount of nitrogen dioxide, a brown gas that impairs breathing, present in the atmosphere on
Not sure how to solve this problem

Air Pollution The amount of nitrogen dioxide, a brown gas that impairs breathing, present in the atmosphere on a certain May day in the city of Long Beach is approximated by A(t) = 139 1 + 0.25(t - 45)2 + 24 (0 s t s 11) where A(t) is measured in pollutant standard index (PSI) and t is measured in hours, with t = 0 corresponding to 7 a.m. Use differentials to find the approximate change in the PSI from 8 a.m. to 8:05 a.m. (Round your answer to two decimal places.) PSI
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