Percentage of College Graduates, Among People Rectanul Ages 25 and Older, in the United States 36% 32.0 32% 29.9 28% 25.6 24% 21.3 20% 17.0 16% 12% 11.0 7.7 8% 6.0 4% 1950 1960 1970 1980 1990 2000 2010 2014 Year Percentage Who Were College Graduates

Functions and Change: A Modeling Approach to College Algebra (MindTap Course List)
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Author:Bruce Crauder, Benny Evans, Alan Noell
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Chapter5: A Survey Of Other Common Functions
Section5.6: Higher-degree Polynomials And Rational Functions
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The bar graph shows the percentage of people 25 years of age and older who were college graduates in the United States for eight selected years.The functions f(x) = 6.43(1.027)x and g(x) =40.9/1 + 6.6e-0.049x model the percentage of college graduates, among people ages 25 and older, f(x) or g(x), x years after 1950.Which function is a better model for the percentage who were college graduates in 1990?

Percentage of College Graduates, Among People
Rectanul Ages 25 and Older, in the United States
36%
32.0
32%
29.9
28%
25.6
24%
21.3
20%
17.0
16%
12%
11.0
7.7
8%
6.0
4%
1950 1960 1970 1980 1990 2000 2010 2014
Year
Percentage Who Were
College Graduates
Transcribed Image Text:Percentage of College Graduates, Among People Rectanul Ages 25 and Older, in the United States 36% 32.0 32% 29.9 28% 25.6 24% 21.3 20% 17.0 16% 12% 11.0 7.7 8% 6.0 4% 1950 1960 1970 1980 1990 2000 2010 2014 Year Percentage Who Were College Graduates
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