Answered: Teen Birth Rate The birth rate in 2013…

College Algebra (MindTap Course List)

12th Edition

ISBN:9781305652231

Author:R. David Gustafson, Jeff Hughes

Publisher:R. David Gustafson, Jeff Hughes

Chapter2: Functions And Graphs

Section2.3: Linear Functions And Slope

Problem 87E: Rage of growth When a college started an aviation program, the administration agreed to predict...

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Teen Birth Rate The birth rate in 2013 for U.S. girls
ages 15 to 19 was the lowest since the government
began tracking the statistic in 1940. The highest birth
rate for U.S. teens was 96.3 per 1000 girls in 1957.
In 2013, the birth rate was lowest at 26.3. Let x equal
the number of years after 1950.
a. What is the slope of the line joining the points
(7, 96.3) and (63, 26.3)?
b. What is the average rate of change in the birth rate
over this period?
c. What does this average rate of change tell about
the birth rate?
d. Use the slope from part (a) and the birth rate from
2013 to write the equation of the line. Let x represent the number of years after 1950.
(Source: Centers for Disease Control and Prevention)

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