A carwash charges $8 per car and can wash at most 10 cars each hour. The amount the carwash earns in an hour depends on the number of cars washed. What is the domain of this relation? A.
0 ≤ x ≤ 10
B.
0 ≤ x < 80
C.
{0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10}
D.
{0, 8, 16, 24, 32, 40, 48, 56, 64, 72, 80}