Graph g(x)=-2x,x<-2; -x^2,-2<=x<1; x,x>=1

$g (x) = {\begin{cases} - 2 x, x < - 2 \\ - x^{2}, - 2 \leq x < 1 \\ x, x \geq 1 \end{cases}$

Graph.

$g (x) = {\begin{cases} - 2 x & x < - 2 \\ - x^{2} & - 2 \leq x < 1 \\ x & x \geq 1 \end{cases}$