Problem

The population of Tokyo, Japan, was 26.6 million in 1975 and 34.5 million in 2000.a. Find...

The population of Tokyo, Japan, was 26.6 million in 1975 and 34.5 million in 2000.

a. Find a natural growth function P(x) = a • bx that gives the population of Tokyo as a function of years after 1975.


b. Use the model from part (a) to predict Tokyo’s population in the year 2010.


c. Find the exact value of the year in which the population doubles.


d. Approximate your answer from part (c), correct to four decimal places.

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Solutions For Problems in Chapter 4.2