\left\{\begin{matrix}x\in \begin{bmatrix}-\sqrt{-\left(y-5\right)\left(y+1\right)},\sqrt{-\left(y-5\right)\left(y+1\right)}\end{bmatrix}\text{, }&y\geq -1\text{ and }y\leq \frac{3-\sqrt{17}}{2}\\x=\sqrt{\left(5-y\right)\left(y+1\right)}\text{, }&y=\frac{\sqrt{17}+3}{2}\\x\in \begin{bmatrix}y-1,\sqrt{-\left(y-5\right)\left(y+1\right)}\end{bmatrix}\text{, }&y>\frac{3-\sqrt{17}}{2}\text{ and }
y<\frac{\sqrt{17}+3}{2}\end{matrix}\right.
\left\{\begin{matrix}y=2\text{, }&x\geq 1\text{ and }x\leq 3\\y\in \begin{bmatrix}-\sqrt{9-x^{2}}+2,\sqrt{9-x^{2}}+2\end{bmatrix}\text{, }&x\geq \frac{\sqrt{17}+1}{2}\text{ and }x<3\\y=x+1\text{, }&x=\frac{1-\sqrt{17}}{2}\\y\in \begin{bmatrix}-\sqrt{9-x^{2}}+2,x+1\end{bmatrix}\text{, }&\left(x>\frac{1-\sqrt{17}}{2}\text{ and }x<\frac{\sqrt{17}+1}{2}\text{ and }|x|<3\right)\text{ or }\left(x\geq 1\text{ and }x<\frac{\sqrt{17}+1}{2}\right)\end{matrix}\right.
Объяснение:
\left\{\begin{matrix}x\in \begin{bmatrix}-\sqrt{-\left(y-5\right)\left(y+1\right)},\sqrt{-\left(y-5\right)\left(y+1\right)}\end{bmatrix}\text{, }&y\geq -1\text{ and }y\leq \frac{3-\sqrt{17}}{2}\\x=\sqrt{\left(5-y\right)\left(y+1\right)}\text{, }&y=\frac{\sqrt{17}+3}{2}\\x\in \begin{bmatrix}y-1,\sqrt{-\left(y-5\right)\left(y+1\right)}\end{bmatrix}\text{, }&y>\frac{3-\sqrt{17}}{2}\text{ and }
y<\frac{\sqrt{17}+3}{2}\end{matrix}\right.
\left\{\begin{matrix}y=2\text{, }&x\geq 1\text{ and }x\leq 3\\y\in \begin{bmatrix}-\sqrt{9-x^{2}}+2,\sqrt{9-x^{2}}+2\end{bmatrix}\text{, }&x\geq \frac{\sqrt{17}+1}{2}\text{ and }x<3\\y=x+1\text{, }&x=\frac{1-\sqrt{17}}{2}\\y\in \begin{bmatrix}-\sqrt{9-x^{2}}+2,x+1\end{bmatrix}\text{, }&\left(x>\frac{1-\sqrt{17}}{2}\text{ and }x<\frac{\sqrt{17}+1}{2}\text{ and }|x|<3\right)\text{ or }\left(x\geq 1\text{ and }x<\frac{\sqrt{17}+1}{2}\right)\end{matrix}\right.