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\noindent
\textbf{Directions:}  
\begin{enumerate}
	\item Section: Math251 007
	\item Write your name with one character in each box below.
	\item Show all work.  No credit for answers without work.
	\item This assessment is closed book and closed notes.  You may not use electronic devices, including calculators, laptops, and cell phones.  
\end{enumerate}

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{{\huge \noindent \textbf{Academic Integrity Statement:} I will complete this work on my own without assistance, knowing or otherwise, from anyone or anything other than the instructor.  I will not use any electronic equipment or notes (except as permitted by an existing official, WVU-authorized accommodation).
\\
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Signature: \underline{\hspace{10cm}
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\headers{Math251}{Quiz 7}{Oct 31, 2025}

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\begin{enumerate}

\item\points{2} Using a Riemann sum with sample points at lower left corners, $m=3$ (three intervals in the $x$ component), and $n=2$ (two intervals in the $y$ component), estimate $\iint_R x^2y$ where $R=[-3,3]\times [0,2]$.
\vfill


\item\ppoints{2}{3} Evaluate the following.
\begin{enumerate}
	\item $\int_1^2 \int_1^3 \frac{\ln y}{xy}\: dy\:dx$
	\vfill
	
	\item $\iint_R ye^{-xy} dA$, $R=[0,2]\times[0,3]$
	\vfill
\end{enumerate}

\item\points{2} Find the volume of the solid that lies below the plane $x+2y+3z=3$ above the square $[0,1]\times[0,1]$.
\vfill

\end{enumerate}
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