ListPlot[
{ {-4,?},{-3,?},{-2,?},{-1,?},{-1/2,?},{1/2,?},
{1,?},{2,?},{3,?},{4,?},{5,?} },
Prolog->AbsolutePointSize[5],
Background->GrayLevel[0.9],
AxesLabel->{x, y},
AxesOrigin->{0, 0},
PlotStyle->{Hue[0.7]}
];
Return to
coordinate grid page:
http://www.uta.edu/math/Calculus/secant.html
or to Lab I.4:
http://www.uta.edu/math/Calculus/calc1-lab4.html.