Persistent organic pollutants (POPS) are a serious environmental hazard. Figure 1.80 shows their natural decay over time

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Persistent organic pollutants (POPS) are a serious environmental hazard. Figure 1.80 shows their natural decay over time in human fat.

(a) How long does it take for the concentration to decrease from 100 units to 50 units? 

(b) How long does it take for the concentration to decrease from 50 units to 25 units? 

(c) Explain why your answers to parts (a) and (b) suggest that the decay may be exponential. 

(d) Find an exponential function that models concentration, C, as a function of t, the number of years

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Applied Calculus

ISBN: 9781119275565

6th Edition

Authors: Deborah Hughes Hallett, Patti Frazer Lock, Andrew M. Gleason, Daniel E. Flath, Sheldon P. Gordon, David O. Lomen, David Lovelock, William G. McCallum, Brad G. Osgood, Andrew Pasquale

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