55. Starting at her doorstep, Ramona walked down the sidewalk at 1.5 feet per second for 4 seconds. Then she stopped for 4 seconds, realizing that she had forgotten something. Next she returned to her doorstep along the same route at 1.5 feet per second. The graph of Ramona's distance (d) from her doorstep as a function of time (t) would most resemble which of the following ?

Answer and Explanation

Your Answer is

Correct Answer is D

Explanation

The distance of the first segment increases linearly; the distance of the second segment remains unchanged; the distance of the third segment decreases linearly. Choose D.