Answer
See the explanation
Work Step by Step
a.
$g(-4)=3$,
$g(-2)=2$,
$g(0)=-2$,
$g(2)=1$,
$g(4)=0$,
b.
$D=\{x|-4\leq x\leq 4\}=[-4, 4]$
$R=[-2, 3]$
c.
$g(x)=3$ at $x=-4$
d.
$g(x)\leq0$ for $-1\leq x \leq 2.7$
e.
$g(-1)=0$ and $g(2)=1$, thus
$\Delta g=1-0=1$
