Jason has agreed to mow several neighbor's lawns. The graph below represents a function that models the number of lawns Jason has left to mow based on the number of days elapsed. Which of the following is true? A. The initial value of the function is -1. This represents the number of lawns Jason mowed each day. B. The initial value of the function is 10. This represents the number of lawns Jason mowed each day. C. The initial value of the function is 10. This represents the number of lawns Jason agreed to mow. D. The initial value of the function is -1. This represents the number of lawns Jason mowed on the first day.