testgraph.tex

\documentclass{article}

\usepackage{sagetex}
\usepackage{url, hyperref}

\title{Test Graph}
\author{Jim}

\begin{document}
\maketitle


\begin{center}
\sageplot[width=.7\textwidth]{plot(graphs.IcosahedralGraph())}
\end{center}

\begin{sageblock}
var('x')
f(x) = sin(x) - 1
g(x) = log(x)
h(x) = diff(f(x) * g(x), x)
\end{sageblock}


   We have $h(2) = \sage{h(2)}$, where $h$ is the derivative of
     the product of $f$ and $g$.


\end{document}