\[\boxed{\text{323\ (323).}\text{\ }\text{Еуроки\ -\ ДЗ\ без\ мороки}}\]
\[y = \frac{10}{x}\]
\[x\] | \[1\] | \[2\] | \[5\] | \[- 1\] | \[- 2\] | \[- 5\] | \[10\] | \[- 10\] |
---|---|---|---|---|---|---|---|---|
\[y\] | \[10\] | \[5\] | \[2\] | \[- 10\] | \[- 5\] | \[- 2\] | \[1\] | \[- 1\] |
\[1)\ если\ x = 2 \Longrightarrow \ y = 5;\]
\[если\ x = - 10 \Longrightarrow \ \ y = - 1.\]
\[2)\ если\ y = 5 \Longrightarrow \ \ x = 2;\]
\[если\ y = - 2 \Longrightarrow \ \ x = - 5.\]
\[3)\ Функция\ принимает\ \]
\[отрицательные\ значения\ \]
\[при\ всех\ \]
\[отрицательных\ x.\]
\[\boxed{\text{323.}\text{\ }\text{Еуроки\ -\ ДЗ\ без\ мороки}}\]
\[s = 12\ км:\]
\[v,\ км/ч\] | \[5\] | \[12\ :3 = 4\] | \[2,4\] | \[12\ :3\frac{1}{3} = 3,6\] |
---|---|---|---|---|
\[t,\ ч\] | \[12\ :5 = 2,4\] | \[3\] | \[12\ :2,4 = 5\] | \[3\frac{1}{3}\] |