A particular road is used by N drivers each day. Each driver obtains a benefit v from the journey and incurs a cost c(N) that increases with the number of drivers on the road due to congestion. Suppose that the cost incurred is given by c(N) = a+bN, for some positive numbers a, b. If the agent decides not to use the road, they receive 0. You may assume throughout that the number of drivers N can be any real number (rather than an integer). Each driver uses the road at most once. (ii) Show that the number of drivers that join the road is V - a N° = b

Advanced Engineering Mathematics
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ISBN:9780470458365
Author:Erwin Kreyszig
Publisher:Erwin Kreyszig
Chapter2: Second-order Linear Odes
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A particular road is used by N drivers each day. Each driver obtains a benefit v from the journey and
incurs a cost c(N) that increases with the number of drivers on the road due to congestion. Suppose that
the cost incurred is given by
c(N) = a+bN,
for some positive numbers a, b. If the agent decides not to use the road, they receive 0. You may assume
throughout that the number of drivers N can be any real number (rather than an integer). Each driver
uses the road at most once.
(ii) Show that the number of drivers that join the road is
V - a
Ne =
Transcribed Image Text:A particular road is used by N drivers each day. Each driver obtains a benefit v from the journey and incurs a cost c(N) that increases with the number of drivers on the road due to congestion. Suppose that the cost incurred is given by c(N) = a+bN, for some positive numbers a, b. If the agent decides not to use the road, they receive 0. You may assume throughout that the number of drivers N can be any real number (rather than an integer). Each driver uses the road at most once. (ii) Show that the number of drivers that join the road is V - a Ne =
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