The Graph Shows the Number of Visitors V to a National

Multiple Choice

The graph shows the number of visitors V to a national park in hundreds of thousands during a one-year period, where t = 1 represents January. Estimate the rate of change of V over the interval $[ 9,12 ]$ . Round your answer to the nearest hundred thousand visitors per year.

A) 64.29 hundred thousand visitors per year
B) 90.00 hundred thousand visitors per year
C) -450.00 hundred thousand visitors per year
D) 225.00 hundred thousand visitors per year
E) 450.00 hundred thousand visitors per year