SOLUTION: in some rational functions the horizontal asymptote is the x-axis but the graph cross the x-axis. why?

Algebra ->  Rational-functions -> SOLUTION: in some rational functions the horizontal asymptote is the x-axis but the graph cross the x-axis. why?      Log On


   

Question 370345: in some rational functions the horizontal asymptote is the x-axis but the graph cross the x-axis. why?
Answer by Fombitz(32388) About Me  (Show Source):
You can put this solution on YOUR website!
That would happen when the numerator equals zero.