High School Dropouts The table lists the percentage of the population that did not have a high school diploma for selected years.
Year | 1960 | 1980 | 2000 | 2010 |
Percentage | 28 | 14 | 11 | 8 |
Source: Bureau of the Census.
(a) Plot a line graph of these data. Let this graph be function D.
(b) Interpret the slope of each line segment.
(c) Is D continuous on its domain?
(d) Identify where D is increasing, decreasing, or constant.
(e) Write a piecewise-defined formula for D.
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