D. Lotion D costs more than lotion C because for any amoun the x-axis, lotion D has a greater cost than lotion C.
2
4 Sandra draws a graph representing the relationship
between time and distance on her morning run. She
wants to show her coach that her rate in minutes per
mile was the same for the entire run. Sandra chose two
points on the line and drew vertical line segments from
the points to the x-axis. How can she use these
segments to prove that her speed was constant?
Explain your reasoning.
Time (min)