Algebra and Trigonometry (6th Edition)
Algebra and Trigonometry (6th Edition)
6th Edition
ISBN: 9780134463216
Author: Robert F. Blitzer
Publisher: PEARSON
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Question
The bar graph below shows the percentage of never-married men (left columns)
and women (right columns) ages 25-29 for four selected years. The
corresponding scatter plots with lines are shown below, where x is the number of
years since 1980. Use the line for the women to complete parts (a)-(c).
a,
fir
58.7
60-
51.7
46.2
50-
40-30 3
213
44 9
31.7
38.8
1980
1990
2000
2008
60-
men.
20.38.8)
10,31.7)
30-*
women
15
30
Years after 1980
Percentage Never Married
% Never Manied
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Transcribed Image Text:The bar graph below shows the percentage of never-married men (left columns) and women (right columns) ages 25-29 for four selected years. The corresponding scatter plots with lines are shown below, where x is the number of years since 1980. Use the line for the women to complete parts (a)-(c). a, fir 58.7 60- 51.7 46.2 50- 40-30 3 213 44 9 31.7 38.8 1980 1990 2000 2008 60- men. 20.38.8) 10,31.7) 30-* women 15 30 Years after 1980 Percentage Never Married % Never Manied
a. Use the two points whose coordinates are shown on the scatter plot to
find the point-slope form of the equation of the line that models the
percentage of never-married females ages 25-29, y, x years after 1980.
of
The point-slope form of the equation is
(Simplify your answer. Type an equation. Use integers or decimals for
any numbers in the equation.)
b. Write the equation from part (a) in slope-intercept form. Use function
notation.
Using function notation, the slope-intercept form of the equation is
(Simplify your answer. Use integers or decimals for any numbers in the
equation.)
c. Use the linear function to predict the percentage of never-married
females, ages 25-29, in 2030.
If the trend continues, in 2030 the percentage of never-married females
will be %.
(Type an integer or a decimal.)
expand button
Transcribed Image Text:a. Use the two points whose coordinates are shown on the scatter plot to find the point-slope form of the equation of the line that models the percentage of never-married females ages 25-29, y, x years after 1980. of The point-slope form of the equation is (Simplify your answer. Type an equation. Use integers or decimals for any numbers in the equation.) b. Write the equation from part (a) in slope-intercept form. Use function notation. Using function notation, the slope-intercept form of the equation is (Simplify your answer. Use integers or decimals for any numbers in the equation.) c. Use the linear function to predict the percentage of never-married females, ages 25-29, in 2030. If the trend continues, in 2030 the percentage of never-married females will be %. (Type an integer or a decimal.)
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