The odometer in a car measures the number of miles driven by the car since it was made. During a trip, the odometer reading in Anita’s car is modeled by the function y=9500+55x , where x represents the number of hours driven during the trip and y represents the odometer reading in miles. Part A What is the meaning of the rate of change in this function? The number of miles driven each hour during the trip. The number of miles driven each hour during the trip. The total number of miles driven at the beginning of the trip. The total number of miles driven at the beginning of the trip. The total number of miles driven at the end of the trip. The total number of miles driven at the end of the trip. The number of miles driven during the trip.