At a Certain Point, a River Is 65 Ft Wide

question 194

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

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