Determine the vertical asymptotes of f(x)=x+2x3−4xf(x) = \frac{x+2}{x^3-4x}f(x)=x3−4xx+2.
x=0,x=2x=0, x=2x=0,x=2
x=2,x=−2x=2, x=-2x=2,x=−2
x=0,x=2,x=−2x=0, x=2, x=-2x=0,x=2,x=−2
x=0,x=−2x=0, x=-2x=0,x=−2