The number of cars sold weekly by a new automobile dealership grows according to a linear growth model. The first week the dealership sold two cars (P0 = 2). The second week the dealership sold six cars (P1 = 6).
If PN denotes the number of cars sold in the Nth week, then
◦ PN = 4N + 2.
◦ PN = N2 + N.
◦ PN = 2N + 4.
◦ PN = 4N - 2.
◦ none of these