Stuck with problem. Can someone please help?

Answer the following questions regarding the function below, and use your answers to sketch the function.

. . . . .[tex]f(x)\, =\, \dfrac{6x}{x^2\, -\, 9}[/tex]

1. List thex-values of anyx-intercepts off.

2. Give they-value of they-intercept off.

3. List thex-values of any vertical asymptotes off.

4. Evaluate the following limits:

. . . . .[tex]\displaystyle \mbox{a. }\, \lim_{x \rightarrow \infty}\, f(x)[/tex]

. . . . .[tex]\displaystyle \mbox{b. }\, \lim_{x \rightarrow -\infty}\, f(x)[/tex]

5. List they-values of any horizontal asymptotes off.

6. Find the intervals on whichfis increasing or decreasing.

7. List the coordinates of any local extrema.

8. Find the intervals on whichfis concave up or concave down.

9. List the coordinates of any points of inflection.

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