The Amount of Nitrogen Dioxide, a Brown Gas That Impairs

question 239

Multiple Choice

The amount of nitrogen dioxide, a brown gas that impairs breathing, present in the atmosphere on a certain May day in a city has been approximated by where is measured in pollutant standard index (PSI) , and is measured in hours, with corresponding to 7 a.m. Use the trapezoidal rule with to estimate the average PSI between 7 a.m. and noon. Please round the answer to the nearest hundredth. (Hint: .)

• A) 83.68 nitrogen dioxides
• B) 192.83 nitrogen dioxides
• C) 105.1 nitrogen dioxides
• D) 116.98 nitrogen dioxides
• E) 157.68 nitrogen dioxides

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The principal class of female sex hormones.

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The physical and biological attributes that distinguish males and females, including reproductive organs and structures.

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