Sahar walks at a constant rate for 10 minutes and then rests for 10 minutes. Which of these distance, d, versus time, t, graphs best represents his movement during these 20 minutes?
Answer Choices
A. 
B. 
C. 
D. 
E. 
Sahar walks at a constant rate for 10 minutes and then rests for 10 minutes. Which of these distance, d, versus time, t, graphs best represents his movement during these 20 minutes?
Answer Choices
A.
B.
C.
D.
E.