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- An executive conference roomof a corporation contains 4500 ft3 of air initially free of carbon monoxide. Starting at time t = 0, cigarette smoke containing 4% carbon monoxide is blown into the room at the rate of0.3 ft3/min. A ceiling fan keeps the air in the room well circulated and the air leaves the room at the same rate of 0.3 ft3./min.Find the time when the concentration of carbon monoxide in theroom reaches 0.01%.The total number of arrests T (in thousands) for all males ages 14 to 27 in 2006 is approximated by the model shown below, where x is the age in years (see figure). T = 0.602x3 − 41.44x2 + 922.8x − 6330, 14 ≤ x ≤ 27 Approximate (to one decimal place) the three ages that had total arrests of 225 thousand.Find the average rate of change of the function g(x)= √6+x from x=a to x=a+h. Simplify your answer so that no single factor of h is left in the denominator.
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