$f(x)=x^{-n} = \frac 1 {x^n}.$ $n
>0$

- Notice the different scales for the axes on the mapping diagram.
- Move the slider to change the value of $n$.
- Check the box to see the table data visualized as arrows on
the mapping diagram and points on the graph for the function.

- Select the point $x$ in the mapping diagram to move the point
by mouse or use the scroll up or down key to move by
increments of 0.1.

Martin Flashman, Nov.8, 2013, Created with GeoGebra