Here is the graph of
$g(x) = \begin{cases}
2 - x^2 & \text{if } 0 \le x < 2 \\
x - 3 & \text{if } 2 \le x \le 4
\end{cases}$ on the interval
[0, 4].
If possible, find the absolute maximum and
absolute minimum value on the given interval.
Also, be prepared to identify where each
extremum occurs.