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The table below gives the U.S. population for selected years from 1950 to 2010. Year 1950 1960 1970 Population (millions) 151.3 179.3 203.3 226.5 248.7 281.4 1980 1990 2000 2010 308.7 (a) Using an exponential function of the form y ab*, with x 0 in 1900 and y equal to the population in millions, write an equation that models the data. Round a and b to 2 decimal places. (b) Use the model to predict the population in 2020. (c) Use your graph to predict when the population will be 400 million. Round x to the nearest whole number,

The table below gives the U.S. population for selected years from 1950 to 2010. Year 1950 1960 1970 Population (millions) 151.3 179.3 203.3 226.5 248.7 281.4 1980 1990 2000 2010 308.7 (a) Using an exponential function of the form y ab*, with x 0 in 1900 and y equal to the population in millions, write an equation that models the data. Round a and b to 2 decimal places. (b) Use the model to predict the population in 2020. (c) Use your graph to predict when the population will be 400 million. Round x to the nearest whole number,

College Algebra
College Algebra
7th Edition
ISBN:9781305115545
Author:James Stewart, Lothar Redlin, Saleem Watson
Publisher:James Stewart, Lothar Redlin, Saleem Watson
Chapter4: Exponential And Logarithmic Functions
Section: Chapter Questions
Problem 12CC: Suppose that the initial size of a population is n0 and the population grows exponentially. Let n(t)...
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NAME: 2. The table below gives the U.S. population for selected years from 1950 to 2010. Year Population (millions) 1950 1960 1970 151.3 179.3 203.3 1980 226.5 1990 248.7 2000 281.4 308.7 2010 (a) Using an exponential function of the form y = a b*, with x = 0 in 1900 and y equal to the population in millions, write an equation that models the data. Round a and b to 2 decimal places. (b) Use the model to predict the population in 2020. (c) Use your graph to predict when the population will be 400 million. Round x to the nerest whole number.
Transcribed Image Text:NAME: 2. The table below gives the U.S. population for selected years from 1950 to 2010. Year Population (millions) 1950 1960 1970 151.3 179.3 203.3 1980 226.5 1990 248.7 2000 281.4 308.7 2010 (a) Using an exponential function of the form y = a b*, with x = 0 in 1900 and y equal to the population in millions, write an equation that models the data. Round a and b to 2 decimal places. (b) Use the model to predict the population in 2020. (c) Use your graph to predict when the population will be 400 million. Round x to the nerest whole number.
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