list2 = Table[{x, ???[x]},{x, -3, 6, 0.5}];
<< Graphics`MultipleListPlot`
MultipleListPlot[
{ {-3,?},{-2,?},{-1,?},{0,?},{1,?},{2,?},
{3,?},{4,?},{5,?},{5.5,?},{6,?} },
list2,
SymbolStyle->{Hue[0.7], Hue[0.9]}, AxesLabel->{x, y},
Background->GrayLevel[0.9], PlotLegend -> {"Derivative", "Guess"},
PlotJoined -> {False, True},
SymbolShape -> {PlotSymbol[Box,3.5], PlotSymbol[Triangle, 5]}
];
Return to
coordinate grid page:
http://www.uta.edu/math/Calculus/secant.html
or to Lab I.2:
http://www.uta.edu/math/Calculus/calc1-lab2.html.