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Identify the horizontal asymptote of f(x)=x^2+6x-9 over x-2

User Rotkiv
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\bf \cfrac{x^2+6x-9}{x-2}\qquad \begin{cases} x^2\impliedby \textit{has a degree of 2}\\ x^1\impliedby \textit{has a degree of 1} \end{cases}

if the degree of the expression of the numerator is greater than that of the denominator, the rational expression has no horizontal asymptote.
User Rijam
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