The bar graph shows the population of the United States, in millions, 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 men in the U.S. population, R(x), x years after 1985.

c. What is the equation of the horizontal asymptote associated with the function in part (b)? Round to two decimal places. What does this mean about the percentage of men in the U.S. population over time?

Transcribed Image Text:

Population (millions) 170 160 150 140 130 120-116 110 100 122 121 Population of the United States Male Female 127 129 134 138 .... .... 143 **** 1985 1990 1995 2000 Year 147 151 152 ……... *** www 157...157 **** **** .... 162 2005 2010 2014 ......