Question

Let g be the function defined by g(x)=\left\{\begin{array}{ll} -\frac{1}{2} x+5 & \text { if } x<6 \\ \sqrt{x-6} & \text { if } x \geq 6 \end{array}\right. Find g(-6), g(0),

g(6), and g(12).

Fig: 1

Fig: 2

Fig: 3

Fig: 4