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October 21, 2014

October 21, 2014

Posted by **albert** on Thursday, May 12, 2011 at 6:41pm.

modelled by an exponential model with annual proportionate growth rate

0.1246. The size of the population at the start of the initial year is 360.

Choose the TWO options that give, as predicted by the model,

(a) the population size after 10 years;

(b) the number of years for the population size to reach at least 2500.

Options

A 15 B 17 C 20 D 24

E 849 F 1035 G 1165 H 1310

- maths -
**bobpursley**, Thursday, May 12, 2011 at 6:55pmpopulation=360(1+r)^10=360*1.1246^10=1165

check that.

- maths -
**albert**, Thursday, May 12, 2011 at 7:06pmthanks

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