Question 46350
{{{f(x) = 1/(x^2 - 2x - 8)}}}
{{{0 > 1/(x^2 - 2x - 8)}}}
(-2,+{{{infinity}}})U(-{{{infinity}}},4)
{{{graph(600,600,-10,10,-10,10,1/(x^2 - 2x - 8))}}}