\[y = \left\{ \begin{matrix} \frac{6}{x};\ \ \ \ \ \ \ \ \ \ \ \ \ \ - 6 \leq x < - 2\ \ (1) \\ 4 - x^{2};\ \ \ \ \ \ \ \ - 2 \leq x \leq 2\ \ (2) \\ - \frac{6}{x};\ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ 2 < x \leq 6\ \ (3) \\ \end{matrix} \right.\ \]
\[1)\ y = \frac{6}{x}\]
\[x\] | \[- 6\] | \[- 5\] | \[- 4\] | \[- 3\] |
---|---|---|---|---|
\[y\] | \[- 1\] | \[1,2\] | \[- 1,5\] | \[- 2\] |
\[2)\ y = 4 - x²\]
\[x\] | \[- 2\] | \[- 1\] | \[0\] | \[1\] | \[2\] |
---|---|---|---|---|---|
\[y\] | \[0\] | \[3\] | \[4\] | \[3\] | \[0\] |
\[3)\ y = - \frac{6}{x}\]
\[x\] | \[3\] | \[4\] | \[5\] | \[6\] |
---|---|---|---|---|
\[y\] | \[- 2\] | \[- 1,5\] | \[- 1,2\] | \[- 1\] |