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MCS,PHD
Argosy University/ Phoniex University/
Nov-2005 - Oct-2011
Professor
Phoniex University
Oct-2001 - Nov-2016
Aurora, Nevada, was a mining boomtown in the 1860s and 1870s. Its population can be modeled as
Aurora, Nevada, was a mining boomtown in the 1860s and 1870s. Its population can be modeled as rho(t) = {-7.91t^3 + 120.96t^2 + 193.92t - 123.21 when 0.7 lessthanorequalto t lessthanorequalto 13 45, 544(0.8474^t) when 13 < lessthanorequalto 55 where rho is measured in people and rate-of-change function rho'(t) = {-23.3t^2 + 241.92t + 193.92 when 0.7 lessthanorequalto t < 13 -7574.28(0.8474^t) when 13 < t lessthanorequalto 55 where rho' is measured in people per year. In both functions, t is the number of years since 1860. What was the average population of Aurora between 1862 and 1872? (Round your answer to the nearest integer.) What the average rate of change of the population of Aurora between 1862 and 1872? ()
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