SOLUTION: i have test tommorow please help Given {{{s(x)=(2x-4)/(x^2+x-2)}}},find the asymptotes and intercepts and then graph

Question 131512: i have test tommorow please help
Given ,find the asymptotes and intercepts and then graph
Answer by stanbon(75887) (Show Source): You can put this solution on YOUR website!
Given ,find the asymptotes and intercepts and then graph.
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s(x)=(2x-4)/(x^2+x-2)
Factor to get:
s(x) = (2(x-2))/[(x+2)(x-1)]
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Horizontal Asymptote:
The highest power in the rational expression is x^2
ha = 0x^2/1x2 = 0/1: ha at y = 0
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Vertical Asymptote:
va's where the denominator becomes zero
va at x = -2 and at x=1
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Graph:

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Cheers,
Stan H.

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