Problem
\( f(x)=\left\{\begin{array}{cc}x+5 & x<-2 \\ -2 x-1 & x \geq-2\end{array}\right. \)
Solution
Step 1 ：\( f(x) = \left\{\begin{array}{cc}x+5 & x<-2 \\ -2 x-1 & x \geq-2\end{array}\right. \)
Step 1 ：\( f(x) = \left\{\begin{array}{cc}x+5 & x<-2 \\ -2 x-1 & x \geq-2\end{array}\right. \)
