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\vfil \noindent
\large
\hfil Math 120 B, C - Autumn 2008 \hfil \pp
\hfil Mid-Term Exam Number Two\hfil  \pp
\hfil November 13, 2008 \hfil \pp
\hfil Answers \hfil \pp
\normalsize

There were two versions of the exam.

Version A - Problem 1 involved 195 meters of fencing.

\begin{enumerate}
\item The enclosure should be 19.5 meters wide and 24.375 high.
\item (a) $\dsps f(x) = \frac{80x+500}{x+50}$ (b) $\dsps f^{-1}(x) = \frac{500-50x}{x-80}$
\item Godzilla was 1012.834 meters tall at the second measurement.
\item The pupil diameter was 2.75446 mm.
\end{enumerate}

Version B - Problem 1 involved 210 meters of fencing.

\begin{enumerate}
\item The enclosure should be 20.5 meters wide, and 25.625 meters high.
\item (a) $\dsps f(x) = \frac{70x+200}{x+20}$ (b) $\dsps f^{-1}(x) = \frac{200-20x}{x-70}$.
\item Godzilla was 483.0219 meters tall at the second measurement.
\item The pupil diameter was 4.19313 mm.
\end{enumerate}

\end{document}


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