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
Chapter5: A Survey Of Other Common Functions
Section5.3: Modeling Data With Power Functions
Problem 6E: Urban Travel Times Population of cities and driving times are related, as shown in the accompanying...
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The graphs show the percentage of jobs in the U.S. labor force held by men and by women from 1970 through 2015.The formula
p = 1.6√t + 38
models the percentage of jobs in the U.S. labor force, p, held by women t years after 1970.
a. Use the appropriate graph to estimate the percentage of jobs in the U.S. labor force held by women in 2010. Give your estimation to the nearest percent.
b. Use the mathematical model to determine the percentage of jobs in the U.S. labor force held by women in 2010. Round to the nearest tenth of a percent.
c. According to the formula, when will 51% of jobs in the U.S. labor force be held by women? Round to the nearest year.
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