At a Certain Point, a River Is 65 Ft Wide

question 221

Multiple Choice

At a certain point, a river is 65 ft wide, and its depth, measured at 5-ft intervals across the river, is recorded in the following table.
Here, x denotes the distance (in feet) from one bank of the river and y (in feet) is the corresponding depth.If the average rate of flow through this section of the river is 4 ft/sec, use the Trapezoidal Rule with to find the rate of the volume of flow of water in the river.
Hint: Volume of flow = rate of flow area of cross section.

• A)1586
• B)3292
• C)1646
• D)1606

---

Definitions:

Cholera

An infectious disease caused by the bacterium Vibrio cholerae, leading to severe diarrhea and dehydration.

Spirillum

A spiral-shaped bacterium.

Parasite

An organism that lives on or in another organism and relies on it for nourishment or some other advantage to the detriment of the host organism.

Viruses

Microscopic infectious agents that can replicate only inside the living cells of an organism and are capable of causing diseases.