\input epsf
\nopagenumbers
\magnification=\magstep1

\noindent {\bf Problem statement} Sketch carefully the graphs of
$f(x)=(1+e^{-x})^2$ and $g(x)=(1+e^{-2x})^2$ for $x>0$, and compute
how much area there is between them in the first quadrant.


\vfil\eject\end