in september 1994, the united nations hosted the conference on population and development. according to the sciences magazine, the world population of 2.5 billion people in 1950 had grown to 5.5 billion by the 1990 census. Determine an exponential function to model the world population, P, as a function of time, t, in years since 1950.

Question

in september 1994, the united nations hosted the conference on population and development.  according to the sciences magazine, the world population of 2.5 billion people in 1950 had grown to 5.5 billion by the 1990 census. Determine an exponential function to model the world population, P, as a function of time, t, in years since 1950.

anonymous · Answer

mostly what I need is to find the rate