The graph below shows the height of a hot air balloon during a trip. What are the variables? Describe how they are related at various points on the graph.
Height (leet)
Time (hours)
o
A The variables are height and time. The balloon rises quickly to a certain height, levels off for a while, then gradually returns to the
ground.
B. The variables are height and time. The balloon gradually rises to a certain height, levels off for a while, then quickly returns to the
ground.
OC. The variables are hours and feet. The balloon rises quickly to a certain height, levels off for a while, then gradually returns to the
ground
D. The variables are hours and feet. The balloon gradually rises to a certain height, levels off for a while, then quickly returns to the
ground