The table below represents the distance of a car from its destination as a function of time.



Time

(hour)

x

Distance (miles)

y

0

900

1

850

2

800

3

750



Part A: What is the y-intercept of the function and what does this tell you about the car? (4 points)


Part B: Calculate the average rate of change of the function represented by the table between x = 1 to x = 3 and what does the average rate represent? (4 points)


Part C: What would be the domain of this function if the car traveled the same rate until it reached its destination? (2 points)