Question: This is for math please answer asap asap asap Air Poltution According to an Air Quality Management District, the level of nitrogen dioxide, a brown

This is for math please answer asap asap asap

Air Poltution According to an Air Quality Management District, the level of nitrogen dioxide, a brown gas that impairs breathing, present in the atmosphere on a certain May day in a busy downtown city is approximated by A(t) = 0.03t3(t 7)4 + 65.3 (o 5 t 5 7) where Ait) is measured in pollutant standard index {PSI} and t is measured in hours, with t = 0 corresponding to 7 am. At what time of day is the air pollution increasing, and at what time is it decreasing? (Enter your answers using interval notation in terms of t.) increasing (0,1) U (,00) decreasing ' (i009) U (1:)

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