A
B
C
D
Explanation
Correct answer: B.
Choice B is correct. According to the graph, when the car is traveling at miles per hour, the braking distance is approximately feet, and when the car is traveling at miles per hour, the braking distance is approximately feet. The difference between these braking distances is , or feet.
Desmos solution:
Enter in Desmos:
Reviewed and rewritten by CookSAT
Why the other choices are wrong
Choice A
Choice A is incorrect and may result from finding the braking distance for miles per hour, the difference between the given speeds.
Choice C
Choice C is incorrect and may result from subtracting the speed from the braking distance at miles per hour.
Choice D
Choice D is incorrect and may result from finding the difference in the braking distances at and miles per hour.