Researchers measured the blood alcohol concentration (BAC)...

Researchers measured the blood alcohol concentration (BAC) of eight adult male subjects after rapid consumption of 30 mL of ethanol (corresponding to two standard alcoholic drinks). The table shows the data they obtained by averaging the BAC (in mg/mL) of the eight men. (a) Use the readings to sketch the graph of the BAC as a function of $ t $. (b) Use your graph to describe how the effect of alcohol varies with time.

Researchers measured the blood alcohol concentration (BAC) of eight adult male subjects after rapid consumption of 30 mL of ethanol (corresponding to two standard alcoholic drinks).

The table shows the data they obtained by averaging the BAC (in mg/mL) of the eight men.

(a) Use the readings to sketch the graph of the BAC as a function of $ t $.
(b) Use your graph to describe how the effect of alcohol varies with time.

Blood alcohol concentration Researchers measured the blood alcohol concentration $(\mathrm{BAC})$ of eight adult male subjects after rapid consumption of 30 $\mathrm{mL}$ of ethanol (corresponding to two standard alcoholic drinks). The table shows the data they obtained by averaging the BAC (in $m g / m L )$ of the eight men. $$\begin{array}{|c|c|c|c|c|c|c|}\hline \text { (hours) } & {0.0} & {0.2} & {0.5} & {0.75} & {1.0} & {1.25} & {1.5} \\ \hline \mathrm{BAC} & {0} & {0.25} & {0.41} & {0.40} & {0.33} & {0.24} \\ \hline\end{array}$$ $$\begin{array}{|c|c|c|c|c|c|c|c|}\hline \text { (hours) } & {1.75} & {2.0} & {2.25} & {2.5} & {3.0} & {3.5} & {4.0} \\ \hline \mathrm{BAC} & {0.22} & {0.18} & {0.15} & {0.12} & {0.07} & {0.03} & {0.01} \\ \hline\end{array}$$ (a) Use the readings to sketch the graph of the BAC as a function of $t$ . (b) Use your graph to describe how the concentration of alcohol varies with time.

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