Data from Local Gas Stations Have Revealed That Gas Prices

Multiple Choice

Data from local gas stations have revealed that gas prices decreased exponentially each week in late 2008. However, there is debate over which model accurately describes the falling gas prices. Jim believes that the correct model for gas prices after x weeks is , while April believes the model should be . What comparisons can be made about the two different models?

A) The gas prices decreased at a rate of 76% every week as opposed to 94% every week.
B) The gas prices decreased at a rate of 24% every week as opposed to 6% every week.
C) The price of the gas is $0.18 less than it was before.
D) The initial gas price decreased.
E) After x weeks, the gas price is 0.76 times as much as the initial gas price instead of 0.94 times as much.