Answer
(a) Refer to the image below for the graph.
(b)
Domain: $[-4, 4]$
Range: $[0, 4]$
Work Step by Step
(a) Use a graphing calculator to graph the given function.
Refer to the image below for the graph.
(b)
The domain is the set that contains all the x-values covered by the graph/equation.
The range is the set that contains all the y-values covered by the graph/equation.
The graph covers the x-values from $-4$ to $4$ so the domain is $[-4 , 4]$.
The graph covers the y-values from $0$ to $4$.
Thus, the range is $[0, 4]$.