Solve the Problem $W ( t ) = 16 t e ^ { - t }$

question 11

Multiple Choice

Solve the problem.
-The rate of water usage for a business, in gallons per hour, is given by $W ( t ) = 16 t e ^ { - t }$ , where $t$ is the number of hours since midnight. Find the average rate of water usage over the interval $0 \leq t \leq 5$ .

• A) 0.13 gallons per hour
• B) 3.07 gallons per hour
• C) 3.11 gallons per hour
• D) 3.33 gallons per hour

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