Concept explainers
Education Expenditure The following table shows education expenditure in the United States as a percentage of total federal spending in 2009, 2015, and 2019:33
|
9 | 15 | 19 |
|
25 | 27 | 26 |
Compute and interpret the average rate of change of
(a) over the period 2009–2019 (that is,
) and (b) over the period
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