Marital Status More people are staying single longer in the United States. The following table gives the percent of never- married adults, age 15 and over, by gender, for the years 1995 and 2013. The growth has been approximately linear. Source: U.S. Census. Year Males Females 1995 31.0 23.5 2013 34.4 28.6 (a) Find a linear function, m(t), for the percent of never-maried males in terms of t, the number of years since 1990. (b) Determine the rate of change for the percent of never- married males. (c) Find a linear function, f(t), for the percent of never-married females in terms of t, the number of years since 1990. (d) Determine the rate of change for the percent of never- married females. (e) Use the results from parts (a) and (c) to estimate the percent of never-married males and females in 2015.
Marital Status More people are staying single longer in the United States. The following table gives the percent of never- married adults, age 15 and over, by gender, for the years 1995 and 2013. The growth has been approximately linear. Source: U.S. Census. Year Males Females 1995 31.0 23.5 2013 34.4 28.6 (a) Find a linear function, m(t), for the percent of never-maried males in terms of t, the number of years since 1990. (b) Determine the rate of change for the percent of never- married males. (c) Find a linear function, f(t), for the percent of never-married females in terms of t, the number of years since 1990. (d) Determine the rate of change for the percent of never- married females. (e) Use the results from parts (a) and (c) to estimate the percent of never-married males and females in 2015.
Functions and Change: A Modeling Approach to College Algebra (MindTap Course List)
6th Edition
ISBN:9781337111348
Author:Bruce Crauder, Benny Evans, Alan Noell
Publisher:Bruce Crauder, Benny Evans, Alan Noell
Chapter3: Straight Lines And Linear Functions
Section3.3: Modeling Data With Linear Functions
Problem 23E: When Date Are Unevenly speed. If data are evenly spaced, we need only calculate differences to see...
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Transcribed Image Text:Marital Status More people are staying single longer in the
United States. The following table gives the percent of never-
married adults, age 15 and over, by gender, for the years 1995
and 2013. The growth has been approximately linear. Source:
U.S. Census.
Year
Males
Females
1995
31.0
23.5
2013
34.4
28.6
(a) Find a linear function, m(t), for the percent of never-maried
males in terms of t, the number of years since 1990.
(b) Determine the rate of change for the percent of never-
married males.
(c) Find a linear function, f(t), for the percent of never-married
females in terms of t, the number of years since 1990.
(d) Determine the rate of change for the percent of never-
married females.
(e) Use the results from parts (a) and (c) to estimate the percent
of never-married males and females in 2015.
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