Keisha D.

asked • 04/21/15

worlds population

The worlds population in 1950 and 2013
 
Yrs.            Population
since.         (billions)
1950
 
  0                  2.555
63.                    7.2
 
Determine the perimeter (A,k) in exponential function (P(t)= Ae^kt) that fits world population (P(t)) to time(t)
 
 
Using this function calculate the current tripling time, for how long it takes for current population to triple?

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