Please Help :) - A construction crew lengthened a road. It took 40 days. The graph shows the total length of the road (in kilometers) versus time (in days).

Find the domain and the range of the function shown

Write your answers as inequalities, using x or y as appropriate. Or, you may instead click on "Empty set" or "All reals as the answer

Will give brainliest for correct answer 8. use the distance time graph to answer these questions: a. what does the graph tell us about the velocity of the car? b. what is the average velocity of the car? (show work) c. is the velocity reflected in the graph positive or negative?d. is there any point on the graph where the car is not moving? how do we know?