Your cellular phone contract calls for a flat monthly service charge of $10.95 plus $0.12 per minute for calls within a certain area to which you limit your calls. The table shows some cost data for your use of the phone.Number of MinutesMonthly Cost (dollars)10022.9512025.3514027.7516030.15Does the data represent a linear function? Why or why not?a.No, the average rate of change is not constantc.There is not enough information to determine if this is a linear function.b.Yes, the average rate of change is constant.d.No, this is not a linear function.