Question

additional practice

1. the graph displays the amount of cement in a cement mixer as it

unloads. describe the change in volume over time.
over time the volume increases
decreases? stay the same.

Explanation:

Step1: Analyze the graph trend

The graph shows the relationship between the volume of cement and time.

Step2: Interpret the graph segments

• The first segment: Volume decreases as time increases.
• The second segment: Volume remains constant as time increases.
• The third segment: Volume decreases as time increases until it reaches zero.

Answer:

The volume of cement first decreases, then stays the same for a period of time, and then decreases again until it is completely unloaded.