An amusement park issued a coupon to increase the number of visitors to the park each week. The function below represents the number of visitors at the amusement park x weeks after the issuance of the coupon. V(x) = 500(1.2)x What is the approximate average rate of change over the interval [2, 6]? A. 129 visitors per week B. 249 visitors per week C. 180 visitors per week D. 193 visitors per week