The bar graph shows the population of the United States, inmillions, for six selected

Chapter 3, Problem 68

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The bar graph shows the population of the United States, inmillions, for six selected years.a. Write a function that models the total U.S. population,P(x), in millions, x years after 1985.b. Write a rational function that models the fraction of menin the U.S. population, R(x), x years after 1985.c. What is the equation of the horizontal asymptoteassociated with the function in part (b)? Round to twodecimal places. What does this mean about the percentageof men in the U.S. population over time?

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