SOLUTION: Analyze the graph of the function. R(x)= x^2+6x-27 /x-9 a) What is the domain of R(x)? b) What is the equation of the vertical asymptote(s) of R(x)? x= c) What is the equation

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Question 1089798: Analyze the graph of the function. R(x)= x^2+6x-27 /x-9
a) What is the domain of R(x)?
b) What is the equation of the vertical asymptote(s) of R(x)? x=
c) What is the equation of the horizontal or oblique asymptote of R(x)? y=

Answer by MathLover1(20849)   (Show Source): You can put this solution on YOUR website!



vertical asymptote:
Vertical Asymptotes of :
An asymptote is a line that the curve approaches but does not cross. The equations of the vertical asymptotes can be found by finding the roots of . Completely ignore the numerator when looking for vertical asymptotes, only the denominator matters.
if ->
Vertical asymptote is
The location of the asymptote is determined by looking at the degrees of the numerator () and denominator ().
If , the x-axis, is the horizontal asymptote.
If , then is the horizontal asymptote. That is, the ratio of the leading coefficients.
If , there is horizontal asymptote.
However, if , there is an or slant asymptote.
in your case and , so which means there is asymptote
To find the equation of the asymptote, perform long division (synthetic if it will work) by dividing the denominator into the numerator.



-------x+15
(x - 9) |x^2 + 6 x - 27
---------x^2-9x
----------0+15x
-------------15x-27
-------------15x-135
----------------0+108
is asymptotic to
Oblique asymptote:




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