Question 500021
Find the domain of the rational function 
-4-6x/x^3-2x^2-8x
**
To find the domain, set the denominator=0, then solve for x-values that would make the function undefined.
x^3-2x^2-8x=0
x(x^2-2x-8)=0
x(x-4)(x+2)=0
x≠0
x≠4
x≠-2
Domain: (–∞,-2) U (-2, 0) U (0, 4) U (4, ∞)