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\begin{document}

\noindent
\vfil \noindent
\large
\hfil Math 120 B - Autumn 2010 \hfil \pp
\hfil Mid-Term Exam Number One\hfil  \pp
\hfil October 21, 2010 \hfil \pp
\normalsize
\vfil
\medskip
\hfil Name: \hrulefill \hrulefill \hspace{0.5in} Student ID no. : \hrulefill

\vfil

\hfil Signature: \hrulefill \hrulefill \hrulefill \hspace{0.5in} Section: \hrulefill 
 
\vfil
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{\Huge
\begin{tabular}{||c|c|r||} \hline 
 1 & 10 &\hspace{10mm} \hfil\\ \hline 
 2 & 10 &       \\ \hline
 3 & 10 &      \\ \hline
4 &  10 &    \\ \hline
Total & 40 & \\ \hline 
\end{tabular}
}
\end{center}
\vfil
\begin{itemize}
\item Complete all four questions. 
\item Show all work for full credit. 
\item You may use a scientific calculator during this
examination.  Graphic calculators are not allowed.
Also, other electronic devices are not allowed, and should be
turned off and put away for the duration of the exam.
\item If you use a trial-and-error or guess-and-check method
when an algebraic method is available, you will not receive full credit.
\item You may use one hand-written 8.5 by 11 inch page of notes.  Write
your name on your notesheet and turn it in with your exam.
\item You have 50 minutes to complete the exam. 
\end{itemize}
\vfil
.

\newp

\begin{enumerate}

\item Maria took a walk near a radio transmitter.
She started her walk from a point 13 km EAST and 2 km NORTH
of the transmitter.  She walked due WEST for 2.5 hours, then turned and walked due SOUTH
for 3 hours.

If she walks at a constant speed of 7 km per hour, how much time did she spend
within 6 km of the transmitter?


\newp

\item Jo is moving at a constant speed along a straight line in the xy-plane.
She starts at the point $(3,-4)$.  She passes through the point $(-1,5)$
3 seconds after she crosses the x-axis.

Give Jo's parametric equations of motion.

\newp

\item Sven has a piece of sheet steel in the shape shown below.  The dimensions are
in centimeters.

Sven wants to make a vertical cut in the steel.  If his cut is $x$ centimeters from
the left vertex (marked A), express the area to the left of the cut as a multipart function of $x$.

\epsfig{file=figs/pizza01.ps, 
 width=8cm,
 angle=0 }

\newp

\item The function $f(x)$ is quadratic.  If $f(0)=4$, $f(1)=5$ and $f(3)=11$, what is $f(\frac{1}{2})$?

\end{enumerate}

\end{document}


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% angle=0 }