Use the bar graph, which shows the receipts of a government (in billions of dollars) for selected years from 2008 through 2014?

the functions have the same rate of change i think. i narrowed it down to this answer and "the rate of change of tour 1 is greater" but i got it wrong using that answer so im assuming its the answer above. (this is a question i also answered from the iready site if anyone needs a reference)

df =

both have same length