Check here for instructional material to complete this problem a. Is the car traveling at a constant speed? A person is on a car trip. Let d be the distance (in miles) traveled in t hours of driving. The line in the figure describes the relationship between t and d. O Yes a. Is the car traveling at a constant speed? O No b. What is the speed of the car? da b. What is the speed of the car? 300- The speed of the car is \\mph. 240 (Type a whole number.) 180 120- Hour MacBook Pro esc 888 F4 -- F6 44 F1 29- F2 20 F3 F5 F7 F8 F9 F10 # O 3 4 5 O W R U O P E