Identify the asymptotes, removable discontinuities, and intercepts for the graph of this function.
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OpenStudy (abbles):
\[f(x) = (2x^3 - 3x + 1)/(x^3 - 5x + 7)\]
OpenStudy (abbles):
Here's what I have so far:
The horizontal asymptote is 2.
One of the x-intercepts is (1, 0)
The vertical asympote may be at -2.75?
Help appreciated! Thanks.
OpenStudy (sweetburger):
There actually 3 x-intercepts. You will have to use the quadratic after factoring to this
\[(x-1)(2x^2+2x-1)\]
your horizontal and vertical asymptotes look good.
OpenStudy (sweetburger):
There are*
OpenStudy (sweetburger):
doesnt look like there are any removable discontinuities
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OpenStudy (abbles):
The x-intercepts are (1, 0), (366, 0) and (-1.366, 0)?
OpenStudy (abbles):
What about the y-intercept?
OpenStudy (sweetburger):
you mean .366 right lol
OpenStudy (abbles):
Haha right
OpenStudy (sweetburger):
Also the y- intercepts is just setting x=0.
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OpenStudy (abbles):
1/7?
OpenStudy (sweetburger):
which comes out to a nice fraction
OpenStudy (sweetburger):
yep
OpenStudy (abbles):
Cool! thanks
OpenStudy (abbles):
I think that's about it
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