Answer
See below.
Work Step by Step
a) We plot the function with graphing software below.
b)
The domain of any function consists of the values it can take on the x-axis, whereas the range consists of the values it can take on the y-axis.
According to the graph, its domain is: $-3\leq x\leq3$ and its range is: $0\leq x\leq 3$
