A long-distance moving company quotes $1,500 to move a shipment that weighs 10,000 pounds and $2,100 to move a shipment that weighs 16,000 pounds. Each quote consists of a one-time truck rental fee plus a charge that is directly proportional to the weight of the shipment.
Which of the following linear functions gives the quoted cost C(p), in dollars, as a function of the shipment weight p, in pounds?