Example

f(x) = ( x - 3 )2 - 4.  r(x)  is the reciprocal function of f(x).


f(x)  has zeros of  1  and  5  [x-intercepts of  ( 1, 0 ),  ( 5, 0 )].

r(x)  has vertical asymptotes with equations  x = 1  and  x = 5.

Vertical asymptotes example
Limits examples

Demonstration Applet

Move the cursor over the graphs. If the applet does not respond, position the cursor over the applet and "click" the mouse button.


Image only

Instructions text as in global.js

Your browser does not support the canvas element.
a: p: q: a: b: c: a: r1: r2: m: x1: y1: A: B: C: m: b: m: a:
Slider controls and functions (explanation)