3.1.56 Question Help Let p(t) represent the population of a major city t years a

Question

3.1.56 Question Help Let p(t) represent the population of a major city t years after 1950, as shown in the table and figure. Answer parts a through c below 2000 1600 1200 800 40 Year 1950 1960 1970 1980 19902000 10 20 30 40 50 p(t) 49,000 84,084144,289 247,601 424,886 729,107 0 10 20 30 40 50 Years after 1950 a. Compute the average rate of growth of the city population from 1970 to 1980. people The average rate of growth is (Simplify your answer. Type an integer or a decimal. Round to the nearest tenth as needed.) year

Explanation / Answer

a)

Average rate of Growth = P(1980) -P(1970)/ (1980 -1970)

=P(30)-P(20)/(30-20)

=(247601 -144289)/10

=10331.2 people/year

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