# maths

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The variation in a population is modelled by the recurrence relation

(Jn+1 0.9257 0.0208) (Jn) + (0.014)

(An+1 0.0661 0.9767) (An) (0.056)

where Jn and An are the sizes, in millions, of the subpopulations of
juveniles and adults, respectively, n years after 1 January 2010. On that
date there were 4.17 million juveniles and 17.24 million adults. Choose the
option that gives the total population, in millions, to two decimal places,
predicted by the model for 1 January 2011.
Options
A 21.33 B 21.40 C 21.68 D 21.83
E 22.14 F 22.21 G 22.25 H 22.36

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