Michael is walking from home to work. The function graphed represents the remaining distance to his work, in kilometers, x hours after he starts walking. What is the meaning of each key feature of the graph? Drag the answer into the box to match each item.

Ateacher attaches a ball to a meter long string and whirls it around in a horizontal circle at constant speed. the teacher explains that the string is what makes the ball go in a circle. why is the string necessary? a) the string is needed to apply a torque to the ball. b) the string is needed to push on the ball to get it up to speed. c) circle motion requires an inertia which is provided by the string. d) circle motion requires a force to give it a centripetal acceleratio