A shop is open 9 AM - 7 PM. The function r(t), graphed above, gives the rate at which customers arrive (in people/hour) at time t, where t measures time in hours since 9 AM. Suppose that the salespeople can serve customers at a rate of 75 people per hour. Answer the following questions: A. At what time will people begin having to wait in line before getting served (because the volume of people arriving has become too great)? Answer: __________ hours after opening. B. When is the line longest? Answer: ________ hours after opening.
A shop is open 9 AM - 7 PM. The function r(t), graphed above, gives the rate at which customers arrive (in people/hour) at time t, where t measures time in hours since 9 AM. Suppose that the salespeople can serve customers at a rate of 75 people per hour. Answer the following questions: A. At what time will people begin having to wait in line before getting served (because the volume of people arriving has become too great)? Answer: __________ hours after opening. B. When is the line longest? Answer: ________ hours after opening.
Advanced Engineering Mathematics
10th Edition
ISBN:9780470458365
Author:Erwin Kreyszig
Publisher:Erwin Kreyszig
Chapter2: Second-order Linear Odes
Section: Chapter Questions
Problem 1RQ
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A shop is open 9 AM - 7 PM. The function r(t), graphed above, gives the rate at which customers arrive (in people/hour) at time t, where t measures time in hours since 9 AM. Suppose that the salespeople can serve customers at a rate of 75 people per hour. Answer the following questions:
A. At what time will people begin having to wait in line before getting served (because the volume of people arriving has become too great)?
Answer: __________ hours after opening.
B. When is the line longest? Answer: ________ hours after opening.
Transcribed Image Text:-1
110
10.0
-10
14.0
(2,20)
11
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