The house-numbers on a certain street go from 1 to 88. The function B(n) models the type of the building whose number is n according to the following key: (Type of Building : Function Output)
Residential building : 0
Commercial building : 1
Government building : 2
Other : 3
Which number type is more appropriate for the domain of B?
A) Integers
B) Real numbers
What's the appropriate domain?
A) 1≤n≤3
B) 0≤n≤3
C) 1≤n≤88
D) 0≤n≤88