Homework Help: maths

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

The variation in size from year to year of a particular population can be
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 6:55pm
population=360(1+r)^10=360*1.1246^10=1165

check that.
maths - albert, Thursday, May 12, 2011 at 7:06pm
thanks

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