Concept explainers
The graphs show the percentage of jobs in the U.S. labor force held by men and by women from 1970 through 2015. Exercises 109–are based on the data displayed by the graphs.
The formula
models the percentage of jobs in the U.S. labor force, p, held by men t years after 1970.
a. Use the appropriate graph at the bottom of the previous column to estimate the percentage of jobs in the U.S. labor force held by men in 2010. Give your estimation to nearest percent.
b. Use the mathematical model to determine the percentage of jobs in the U.S. labor force held by men in 2010. Round to the nearest tenth of a percent.
c. According to the formula, when will 49% of jobs in the U.S. labor force be held by men? Round to the nearest year.
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