\[\boxed{\text{188\ (188).\ }\text{Еуроки\ -\ ДЗ\ без\ мороки}}\]
\[y = x^{2}\]
\[x\] | \[- 3\] | \[- 2\] | \[- 1\] | \[0\] | \[1\] | \[2\] | \[3\] |
---|---|---|---|---|---|---|---|
\[y\] | \[9\] | \[4\] | \[1\] | \[0\] | \[1\] | \[4\] | \[9\] |
\[y = x^{3}\]
\[x\] | \[- 2\] | \[- 1\] | \[0\] | \[1\] | \[2\] |
---|---|---|---|---|---|
\[y\] | \[- 8\] | \[- 1\] | \[0\] | \[1\] | \[8\] |
\[\textbf{а)}\ \frac{k}{x} = x^{2};\ \ \ k > 0\]
\[Одно\ решение.\]
\[\textbf{б)}\ \frac{k}{x} = x^{2};\ \ k < 0\]
\[Одно\ решение.\]
\[\textbf{в)}\ \frac{k}{x} = x^{3},\ k > 0\]
\[Два\ решения.\]
\[\textbf{г)}\frac{k}{x} = x^{3},\ k < 0\]
\[Решений\ нет.\ \ \]