Please help with Rationals
Hi, I have this function, g(x)= (x^3-x)/(x^3-4x).
Now I need help with the following...
- How to find the zeros for f?
- How to find f(-x)?
- How to find point of discontinuity?
And also, would finding the asymptotes, slant asymptote, and point of discontinuity be easier if I simplify this rational first?:
I can simplify the denominator as (x+1)(x-6) but that's it...
Is the first step to simplifying the numerator... Factoring out x?
I'd appreciate any help, thanks so much!