SOLUTION: For f(x)= 1/x^2-2x-8, find the interval(s) where f(x)<0.

Algebra ->  Rational-functions -> SOLUTION: For f(x)= 1/x^2-2x-8, find the interval(s) where f(x)<0.      Log On


   

Question 46350: For f(x)= 1/x^2-2x-8, find the interval(s) where f(x)<0.
Answer by Nate(3500) About Me  (Show Source):
You can put this solution on YOUR website!
f%28x%29+=+1%2F%28x%5E2+-+2x+-+8%29
0+%3E+1%2F%28x%5E2+-+2x+-+8%29
(-2,+infinity)U(-infinity,4)
graph%28600%2C600%2C-10%2C10%2C-10%2C10%2C1%2F%28x%5E2+-+2x+-+8%29%29