Blood alcohol concentration In Section 3.1 we discussed an experiment in which the average BAC of eight  male subjects was measured after consumption of 15 mL  of ethanol (corresponding to one alcoholic drink). The  resulting data were modeled by the concentration functionC(t) − 0.0225te-0.0467t where t is measured in minutes after consumption and C is  measured in mgymL.(a) How rapidly was the BAC increasing after 10 minutes?(b) How rapidly was it decreasing half an hour later?

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