ListPlot[
{ {-3,?},{-2,?},{-1,?},{0,?},{1,?},{2,?},
{2.5,?},{3,?},{3.5,?},{4,?},{4.5,?} },
Prolog->AbsolutePointSize[5],
Background->GrayLevel[0.9],
AxesLabel->{x, y},
PlotStyle->{Hue[0.7]}
];
Return to
coordinate grid page:
http://www.uta.edu/math/Calculus/secant.html
or to Lab I.3:
http://www.uta.edu/math/Calculus/calc1-lab3.html.