Cari nilai x
\left\{\begin{matrix}x=\sqrt{7-2y}+3\text{; }x=-\sqrt{7-2y}+1\text{, }&y\leq \frac{7}{2}\\x=-\sqrt{7-2y}+3\text{; }x=\sqrt{7-2y}+1\text{, }&y\geq 3\text{ and }y\leq \frac{7}{2}\end{matrix}\right,
Cari nilai y
y=-\frac{\left(x-2\right)^{2}}{2}+|x-2|+3
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