#### Answer

a) f(-4)=-2, g(3)=4
b) x=-2, 2
c) x=-3
d) 0$\lt$x$\leq$4
e) D:-4$\leq$x$\leq$4, R:-2$\leq$y$\leq$3
f) D:-4$\leq$x$\leq$3, R:0.5$\leq$y$\leq$4

#### Work Step by Step

"State" questions require an exact answer whereas "estimate" questions require an approximation.