The bar graph shows changes in the percentage of college graduates for a country ages 25 and older from 1990 to 2010. In 1990, 18.8% of women ages 25 and older had Percentage of College Graduates graduated from college. On average, this percentage has increased by approximately 0.6 each year. a. Based on the average yearly percent increase given in the problem statement, write a formula for the nth term of the arithmetic sequence that models the percentage of a Country Ages 25 and Older women ages 25 and older who had graduated from college n years after 1989. 40- 35- b. Use the model from part (a) to project the percentage of women ages 25 and older who will be college graduates by 2019. 30.8 30.1 30- 24.2 25- 18.8 20- 15 8 10- 1990 2010 Year Male Female apenpeug abajoo jo abejueoed
The bar graph shows changes in the percentage of college graduates for a country ages 25 and older from 1990 to 2010. In 1990, 18.8% of women ages 25 and older had Percentage of College Graduates graduated from college. On average, this percentage has increased by approximately 0.6 each year. a. Based on the average yearly percent increase given in the problem statement, write a formula for the nth term of the arithmetic sequence that models the percentage of a Country Ages 25 and Older women ages 25 and older who had graduated from college n years after 1989. 40- 35- b. Use the model from part (a) to project the percentage of women ages 25 and older who will be college graduates by 2019. 30.8 30.1 30- 24.2 25- 18.8 20- 15 8 10- 1990 2010 Year Male Female apenpeug abajoo jo abejueoed
Chapter9: Sequences, Probability And Counting Theory
Section9.1: Sequences And Their Notations
Problem 4SE: What happens to the terms an of a sequence when there is a negative factor in the formula that is...
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Transcribed Image Text:The bar graph shows changes in the percentage of college graduates for a country ages 25 and older from 1990 to 2010. In 1990, 18.8% of women ages 25 and older had
graduated from college. On average, this percentage has increased by approximately 0.6 each year.
a. Based on the average yearly percent increase given in the problem statement, write a formula for the nth term of the arithmetic sequence that models the percentage of
women ages 25 and older who had graduated from college n years after 1989.
b. Use the model from part (a) to project the percentage of women ages 25 and older who will be college graduates by 2019.
Percentage of College Graduates
for
a Country Ages 25 and Older
40-
35-
30.8 30.1
30-
24.2
25-
18.8
20-
15-
10-
5-
1990
2010
Year
Male
Female
Percentage of College Graduate
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