Dynamic Views for Rational Functions Graphs and Mapping Diagrams
$f(x) = \frac {P(x)} {Q(x)}$
• Insert your own polynomial functions for $P(x)$ and $Q(x)$.
• Check the box to see the table data visualized as arrows on the mapping diagram and points on the graph for the function.
• Move the points $a$ and $b$ on the mapping diagram to change the interval for the arrows and points.
• 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 1.

Martin Flashman, Nov. 29, 2013, Created with GeoGebra