2. A shoe company used packing boxes to ship four orders to retail stores. The number of packing boxes needed to transport the pairs of shoes is a function of the number of pairs ordered for each delivery. This function consists of only the ordered pairs (44, 3), (60, 4), (72, 5), and (88, 6). What is the domain for this situation? F (44,60,72,88} G (44,88} H [3,4,5,6, 44, 60, 72, 88} J {3,4,5,6}