To Study Traffic Flow Along a Major Road, the City

question 29

Multiple Choice

To study traffic flow along a major road, the city installs a device at the edge of the road at 4:00 am. The device counts the cars driving past, and records the total periodically. The resulting data is plotted on a graph, with time (in hours) on the horizontal axis and the number of cars on the vertical axis. The graph is shown below. It is a graph of the function = Total number of cars that have passed by after t hours. When is the traffic flow the greatest?

• A)At t=6 hours.
• B)At t=3 hours.
• C)At t=4 hours.
• D)At t=5 hours.

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Definitions:

Reverse Fault

A type of fault where the hanging wall moves upward relative to the footwall, usually occurring in areas of compression.

Thrust Fault

A type of fault, or break in the Earth's crust, where older rocks are pushed above younger rocks due to compressional forces.

Monocline

A geological fold in which all strata are inclined in the same direction, creating a step-like feature in the landscape.

Anticline

A type of fold in rock layers that arches upwards, with the oldest layers at the core of the fold.