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\noindent
\large
\hfil Math 120 C - Autumn 2009 \hfil \pp
\hfil Mid-Term Exam Number Two\hfil  \pp
\hfil November 19, 2009 \hfil \pp
\hfil Answers \hfil \pp

There were two versions of the exam.

\bigskip

Version A - In problem 1, Azami had 60 meters of fencing.

\begin{enumerate}
\item The enclosure should be 18 meters wide (the side with the gap)
and 15 meters long.

\item 37.6634 years after 1980.

\item 90.909 kg

\item (a) $f(g(x))=12x+29$ (b) $h^{-1}(x)=\frac{x-3}{12}$ (c) 1/4 and 1/9

\end{enumerate}

Version B - In problem 1, Azami had 300 meters of fencing.

\begin{enumerate}

\item The enclosure should be 90 meters wide (the side with the gap)
and
75 meters long.

\item 52.94 years after 1980.

\item 87.2727 kg

\item (a) $f(g(x))=12x-19$ (b) $h^{-1}(x)=\frac{x+5}{12}$ (c) 1/4 and 1/9

\end{enumerate}










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