Ответ:
\[y = \frac{x^{4} - 9x^{2}}{(3 + x)(3 - x)} =\]
\[= \frac{x²(x^{2} - 9)}{- (x^{2} - 9)}\ \ \ \ \ \ \ \ \ \ x \neq \pm 3\ \]
\[y = - x²\]
| \[x\] | \[0\] | \[- 2\] | \[- 1\] | \[2\] | \[1\] |
|---|---|---|---|---|---|
| \[y\] | \[0\] | \[- 4\] | \[- 1\] | \[- 4\] | \[- 1\] |

\[y = \frac{x^{4} - 9x^{2}}{(3 + x)(3 - x)} =\]
\[= \frac{x²(x^{2} - 9)}{- (x^{2} - 9)}\ \ \ \ \ \ \ \ \ \ x \neq \pm 3\ \]
\[y = - x²\]
| \[x\] | \[0\] | \[- 2\] | \[- 1\] | \[2\] | \[1\] |
|---|---|---|---|---|---|
| \[y\] | \[0\] | \[- 4\] | \[- 1\] | \[- 4\] | \[- 1\] |
