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{\Large Warm-Up Problems

January 22, 2003}
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\begin{enumerate}

\item  Compute the following definite integrals: (use elementary geometric area formulas)
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	\item  \[  \int_{-1}^{3} 2u+3 \; du \]
	\item  \[  \int_{-1}^{3} 2x\; dx \]
	\item  \[  \int_{-1}^{1} \sqrt{1-x^2} \; dx\]
	\item  \[  \int_0^{3} \sqrt{9-t^2} \; dt \]
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