Question

A graphing calculator is recommended. The relative growth rate of world population has been decreasing steadily in recent years. On the basis of this, some population models predict that world population will eventually stabilize at a level that the planet can support. One such logistic model is P(t) = 73.2 / (6.1 + 6.1e^(-0.02t)) where t = 0 is the year 2000 and population is measured in billions. (a) What world population does this model predict for the year 2230? For 2330? (Round your answers to two decimal places.) 2230 billion 2330 billion (b) Sketch a graph of the function P for the years 2000 to 2500. (c) According to this model, what size does the world population seem to approach as time goes on? billion

          A graphing calculator is recommended.
The relative growth rate of world population has been decreasing steadily in recent years. On the basis of this, some population models predict that world population will eventually stabilize at a level that the planet can support. One such logistic model is
P(t) = 73.2 / (6.1 + 6.1e^(-0.02t))
where t = 0 is the year 2000 and population is measured in billions.
(a) What world population does this model predict for the year 2230? For 2330? (Round your answers to two decimal places.)
2230 billion
2330 billion
(b) Sketch a graph of the function P for the years 2000 to 2500.
(c) According to this model, what size does the world population seem to approach as time goes on?
billion

A graphing calculator is recommended.
The relative growth rate of world population has been decreasing steadily in recent years. On the basis of this, some population models predict that world population will eventually stabilize at a level that the planet can support. One such logistic model is
P(t) = 73.2 / (6.1 + 6.1e^(-0.02t))
where t = 0 is the year 2000 and population is measured in billions.
(a) What world population does this model predict for the year 2230? For 2330? (Round your answers to two decimal places.)
2230 billion
2330 billion
(b) Sketch a graph of the function P for the years 2000 to 2500.
(c) According to this model, what size does the world population seem to approach as time goes on?
billion

Added by Jacqueline A.

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