The graph below represents the average monthly rainfall (y), in inches, in miami, fl during 2012 plotted against the time (x), in months. which of the following descriptions is representative of the data presented in the graph? a. the amount of rainfall increases as a quadratic function of time b. the amount of rainfall increases as a linear function of time c. the amount of rainfall increases as a cubic function of time d. the amount of rainfall increases as an exponential function of time