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The number of cars sold weekly by a new automobile dealership grows according to a linear growth model. The first week the dealership sold four cars (Po = 4). The second week the dealership sold twelve cars ( P1 = 12). Write the recursive formula for the number of cars sold, Pn, in the (n + 1)th week. Pn = Pn-1 + Write the explicit formula for the number of cars sold, Pr, in the (n + 13th week. Pn= If this trend continues, how many cars will be sold in the 4th week? cars