Answer: D. [0,12]
Step-by-step explanation:
The lowest point occurs when y = 0.
The highest point occurs when y = 12.
The range is therefore
which converts to
which is interval notation. The square brackets tell us to include the endpoints. So we're saying that y can be anything between 0 and 12, including both endpoints.
The range is the set of all possible y outputs of a function.