The house-numbers on a certain street go from 1 to 8. The function B(n) models the type of the building whose number is n according to the following key: (GRAPH ATTATCHED) What number type is more appropriate for the domain of B? A. Integer B. Real Number What's the appropriate domain? A. Building type B. Function output C. Residential building D. Commercial building E. Government building F. Othcr