The average annual per capita consumption of fuel, in gallons, for an 8 year period is shown.
Year 0 1 2 3 ˙ 4 5 6 7 8
Fuel Consumed (gallons) 12 27 72 147 252 387 552 747 972
What can be said about the finite differences of this data?
O The second-order differences are all non-zero and constant.
O The first-order differences are all zero.
O The second-order differences are all non-zero and not constant.
O The first-order differences are all non-zero and constant.