Question 472324
  <pre><font face = "Tohoma" size = 4 color = "indigo"><b> 
Hi,
Solve function & graph: 
f(x)=(x-1)/(x^3-9x) = (x-1)/x(x^2-9) = (x-1)/[x(x-3)(x+3)]
{{{drawing(300,300,   -6, 6, -6, 6,  grid(1),blue(line(3,6,3,-6)), blue(line(-3,6,-3,-6)), 
circle(1, 0,0.3),
graph( 300, 300, -6, 6, -6, 6,0,(x-1)/(x^3-9x)))}}}