Pollution levels in a lake have been modeled by the equation x = 0.05 + 0.18e-0.38t where
Question:
Pollution levels in a lake have been modeled by the equation
x = 0.05 + 0.18e-0.38t
where x is the volume of pollutants (in cubic kilometers) and t is the time (in years).
(a) Find the initial pollution levels; that is, find x when t = 0.
(b) How long before x is 30% of that initial level?
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x 005 018e 038t a t 0 x 005 0181 02...View the full answer
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Related Book For
Mathematical Applications for the Management Life and Social Sciences
ISBN: 978-1305108042
11th edition
Authors: Ronald J. Harshbarger, James J. Reynolds
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