\begin{frame}
  \frametitle{Increasing and Decreasing Functions}
  
  \begin{block}{}
    A function $f$ is \emph{increasing} on an interval $I$ if
    \begin{talign}
      f(x_1) < f(x_2) &&\text{whenever $x_1 < x_2$ and $x_1,x_2 \in I$}
    \end{talign}
    \pause
    The function is \emph{decreasing} on an interval $I$ if
    \begin{talign}
      f(x_1) > f(x_2) &&\text{whenever $x_1 < x_2$ and $x_1,x_2 \in I$}
    \end{talign}
  \end{block}
  \bigskip\pause
  
  \begin{minipage}{.60\textwidth}
  \scalebox{.75}{
  \begin{tikzpicture}[default,baseline=0ex]
    \diagram{-.5}{7}{-.5}{4}{1}
    \diagramannotatez
    \diagramannotatex{1,2,3,4,5,6}
    \diagramannotatey{1,2,3}
    \begin{scope}[ultra thick]
%     \draw[cgreen] plot[smooth,domain=0:2,samples=20] (\x,{pow(\x,3)});
    \draw[cgreen] (0,1) to[in=180,out=0] (3,3) to[in=180,out=0,looseness=.5] (4,1.5) to[in=180,out=0,looseness=.5] (6,3.5);
    \end{scope}
  \end{tikzpicture}
  }
  \end{minipage}
  \begin{minipage}{.39\textwidth}
    \pause
    \ This function is:
    \begin{itemize}
    \pause
      \item increasing on $[0,3]$
    \pause\smallskip
      \item decreasing on $[3,4]$
    \pause\smallskip
      \item increasing on $[4,6]$
    \end{itemize}
  \end{minipage}
\end{frame}