ضابطه تابع نمودار شکل کدام است؟

1 )
$f\left( x \right)=\left\{ \begin{matrix}
-2x-2\,\,\,\,\,\,\,\,\,\,\,\,\,x\lt 2 \\
2x+6\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,x\ge 2 \\
\end{matrix} \right.$
$f\left( x \right)=\left| 2x-4 \right|-2$
3 )
$f\left( x \right)=\left\{ \begin{matrix}
-2x+6\,\,\,\,\,\,\,\,\,\,\,\,\,x\lt 2 \\
2x+2\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,x\ge 2 \\
\end{matrix} \right.$
4 )
$f\left( x \right)=\left| 2x-2 \right|+4$
پاسخ تشریحی :
