The level of ozone, an invisible gas that irritates and impairs breathing, present in the atmosphere on a certain May day in the city was approximated by
, where is measured in pollutant standard index (PSI) and t is measured in hours, with corresponding to 7
a.m. Use the second derivative test to show that the function A has a relative maximum at approximately . Interpret your results.

Question

The level of ozone, an invisible gas that irritates and impairs breathing, present in the atmosphere on a certain May day in the city was approximated by
​  , where  is measured in pollutant standard index (PSI) and t is measured in hours, with  corresponding to 7 
a.m. ​ Use the second derivative test to show that the function A has a relative maximum at approximately  . Interpret your results.

Quizplus · Accepted Answer

The Answer of The level of ozone, an invisible gas that irritates and impairs breathing, present in the atmosphere on a certain May day in the city was approximated by
​  , where  is measured in pollutant standard index (PSI) and t is measured in hours, with  corresponding to 7 
a.m. ​ Use the second derivative test to show that the function A has a relative maximum at approximately  . Interpret your results.

The Level of Ozone, an Invisible Gas That Irritates and Impairs