As the weight of purchased items increases, the shipping charges increase, as shown in the table below. Assuming only positive domain values, which statement is true of the graph that represents the d

As the weight of purchased items increases, the shipping charges increase, as shown in the table below. Assuming only positive domain values, which statement is true of the graph that represents the data in the table? a) Beginning at 5 ounces, the graph is discontinuous at every fifth integer of the domain. b) The range values graphed for the set of data are $10, $14, $17, and $21. c) For every 1 ounce increase in weight, the total shipping cost increases by $3.75. d) The left side of each horizontal interval is a closed circle, and the right side is an open circle.