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OpenStudy (anonymous):
Horizontal asymptote of the function f(x)= 6x^3+17x^2-528/2x^3-14x+321
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OpenStudy (anonymous):
\[f(x) = 6x^3+17x^2-528/2x^3-14x+321\]
OpenStudy (anonymous):
can someone help me please
OpenStudy (callisto):
Horizontal asymptotes
\[=f(x) = \lim_{x \rightarrow \infty} \frac{6x^3+17x^2-528}{2x^3-14x+321}=...\]
OpenStudy (anonymous):
yes thats the problem
OpenStudy (callisto):
Divide both the numerator and denominator by x^3
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OpenStudy (callisto):
And \[\lim_{x \rightarrow \infty} \frac{1}{x} =0\]
OpenStudy (anonymous):
i got 3
OpenStudy (callisto):
Isn't it correct?!
OpenStudy (anonymous):
what is the next step , i believe 3 is right
OpenStudy (callisto):
It is 3..
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OpenStudy (callisto):
\[\lim_{x \rightarrow \infty} \frac{6x^3+17x^2-528}{2x^3-14x+321}\]\[=\lim_{x \rightarrow \infty} \frac{\frac{6x^3+17x^2-528}{x^3}}{\frac{2x^3-14x+321}{x^3}}\]\[=\lim_{x \rightarrow \infty} \frac{6+\frac{17}{x}-\frac{528}{x^3}}{2-\frac{14}{x^2}+\frac{321}{x^3}}\]Then take the limit
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