Respuesta :
Answer:
D = {1, 2, 3, 4, 5, 6, 7, 8}
Step-by-step explanation:
The x-coordinates are the domain values for the function.
There is no 0 floor. The floors are not negative.
The correct answer is D = {1, 2, 3, 4, 5, 6, 7, 8}.
Answer choice on USA Test Prep is A