\[\boxed{\mathbf{1134}\mathbf{\text{.\ }}Еуроки\ - \ ДЗ\ без\ мороки}\]
\[f(x) = \left\{ \begin{matrix} - \frac{2}{x},\ \ \ \ \ \ \ \ \ \ \ \ x < 0 \\ 3,\ \ 0 \leq x \leq 4 \\ \sqrt{x},\ \ \ \ \ \ \ \ \ \ \ \ \ \ x > 4 \\ \end{matrix} \right.\ \]
\[y = - \frac{2}{x}\]
\[x\] | \[1\] | \[2\] | \[4\] | \[- 1\] | \[- 2\] | \[4\] |
---|---|---|---|---|---|---|
\[y\] | \[- 2\] | \[- 1\] | \[- \frac{1}{2}\] | \[2\] | \[1\] | \[\frac{1}{2}\] |
\[y = \sqrt{x}\]
\[x\] | \[0\] | \[1\] | \[4\] | \[9\] |
---|---|---|---|---|
\[y\] | \[0\] | \[1\] | \[2\] | \[3\] |
\[1)f( - 0,5) = \frac{- 2}{- 0,5} = 4\]
\[2)\ f(0) = 3\]
\[3)\ f(4) = 3\]
\[4)\ f(9) = \sqrt{9} = 3\]