Answer: {0,4,8,10,12,14,15,16}
Explanation:
The first option is incorrect. It shows the range of days; not the range of the function.
The second option is also incorrect. It isn’t a function. It is a statement. It also mentions the amount of days and not the actual function.
The third option is correct because it shows the range of function. Note that the function is the dots on the graph.
The fourth option is incorrect. It has the wrong data in the function.
Hope this helps!