Concept explainers
To find: The importance of the intersection of the two lines.
The value of
Given:
The data of labor force in the form of table is
Year | Female | Male |
1960 | 37.7 | 83.4 |
1965 | 39.3 | 80.5 |
1970 | 43.3 | 79.6 |
1975 | 46.3 | 77.2 |
1980 | 51.5 | 77 |
1985 | 54.5 | 76.1 |
1990 | 57.5 | 76.3 |
1995 | 58.9 | 74.6 |
2000 | 59.9 | 74.7 |
2005 | 59.3 | 73.2 |
2010 | 58.6 | 70.7 |
The slope intercept form of line for males is
Concept used:
Equate both the equations of line t
Calculation:
The equation of line for males is
The equation of line for females is
Equate the two lines for point of intersection.
Substitute
The point of intersection is
Conclusion:
The value of
Chapter 1 Solutions
PRECALCULUS:GRAPHICAL,...-NASTA ED.
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