The name is absent

FIGURE 6. The Logistic Curve: Growth of a population of yeast
cells, taken from R. Pearl (Rcf. 10).

SAfOf 77/AV Aff AfCfAA^rVOcZOtV

For the period up to 1855, r(t) = 10.109 + —— - _nniilj-

I t 2.495e ^{u uj 4}

From 1855 on, P(t) = 33.587 + —^---------

'l₊297.546e^,,-°∙^,7-'

FIGURE 7. Tlic population growth of Germany, showing two
cycles of growth which have overlapped during the
period of census history.

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