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

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

\[x^{3} + 1 > 0\]
\[x^{3} > - 1\]
\[y(x) > 0\ \ \ при\ x > - 1.\]