recta
Author: Paulo Correia
Date: 5/4/07

Variação de parâmetros

ondde é que isto fica

f(x)=a +  \frac{ b }{c x + d } 

a = 0 (slider from -6 to 6, step 0.1)
b = 1 (slider from -10 to 10, step 0.1)
c = 1 (slider from -20 to 20, step 0.5)
d = 0 (slider from -8 to 8, step 0.1)
f(x) = a + b / (c x + d)
s: y = a
r: x = -d / c