Answer
a. $g(0)=5$
b. $g(-6)=1$
c. $g(-5)=0$
Work Step by Step
a. Given the piecewise function $g(x)=\begin{cases} x+5,\hspace{1.2cm} x\geq-5 \\ -(x+5),\hspace{0.5cm} x\lt-5 \end{cases}$
we can identify that $g(0)=0+5=5$
b. $g(-6)=-(-6+5)=1$
c. $g(-5)=-5+5=0$