Ответ:
\[y = \sqrt[3]{x - 1}\]
| \[x\] | \[1\] | \[2\] | \[9\] | \[0\] | \[- 7\] |
|---|---|---|---|---|---|
| \[y\] | \[0\] | \[1\] | \[2\] | \[- 1\] | \[- 2\] |

\[y(x) < 0\ \ \ \ при\ x < 1.\]
\[y = \sqrt[3]{x - 1}\]
| \[x\] | \[1\] | \[2\] | \[9\] | \[0\] | \[- 7\] |
|---|---|---|---|---|---|
| \[y\] | \[0\] | \[1\] | \[2\] | \[- 1\] | \[- 2\] |

\[y(x) < 0\ \ \ \ при\ x < 1.\]