Using the asymptote concept, we have that:
- The vertical asymptote is x = 9.
- The horizontal asymptote is y = 3.
- The end behavior is that as
.
<h3>What are the asymptotes of a function f(x)?</h3>
- The vertical asymptotes are the values of x which are outside the domain, which in a fraction are the zeroes of the denominator.
- The horizontal asymptote is the value of f(x) as x goes to infinity, as long as this value is different of infinity.
In this problem, the function is:

For the vertical asymptote, we have that:
x - 9 = 0 -> x = 9.
For the horizontal asymptote:

Hence, the end behavior is that as
.
More can be learned about asymptotes at brainly.com/question/16948935
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