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\input graphicx
\magnification 1300
\vsize 10.4truein
\voffset -0.5in
\nopagenumbers
\parskip 10pt
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1.) Approximate $\int_{0}^6 e^x dx$ using

(a)	3 inscribed rectangles of equal width.
\vfill

(b)	3 circumscribed rectangles of equal width.
\vfill


2.) Approximate $\int_{-2}^2 (x^2 - 4)dx$ using

(a) 4 inscribed rectangles of equal width.
\vfill

(b) 4 circumscribed rectangles of equal width.
\vfill

3.) Approximate $\int_{0}^{\pi \over 2} cos(x) dx$ using

(a)	2 inscribed rectangles of equal width.
\vfill

(b)	2 circumscribed rectangles of equal width.



\end


\includegraphics[width=48ex]{grapht}

\eject

[10]~ 2.)  Two cars start from the same point at the same time.  One travels north at 30 mph, and the other travels east at 40 mph.  How fast is the distance between them increasing at the end of 2 hours. 
\vfill 

[10]~ 3.) $ \int 3 sin(2x)cos(2x)dx= \underline{\hskip 3in}

\end
