How do you find the asymptotes for F(x) = (-2x^2 + 1)/(2x^3 + 4x^2)?

1 Answer
Dec 8, 2016

Vertical: x=0uarr and uarrx=-2darr. Horizontal:larry=0rarr.
For visual effect, see the graph.

Explanation:

yto oo, as x to 0. yto +_oo, as x to -2.

The line y=0, besides making x-intercepts +-1/sqrt2, is asymptotic

to two ( of the three ) branches of the graph, in the two opposite directions.

graph{2yx^2(x+2)+2x^2-1=0 [-10, 10, -5, 5]}