Calculus selcted answers for A: The average rate of change was ____ (%, % per da

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Calculus

selcted answers for A: The average rate of change was ____ (%, % per day, % per month, % per year), which means that U.S. education expenditure (increased, decreased) at an average rate of ____ (%, % per day, % per month, % per year) during 2003-2005.

Selected answers fo B: The average rate of change was ____(%, % per day, % per month, % per year), which means that U.S. education expenditure (increased, decreased) at an average rate of ____ (%, % per day, % per month, % per year) during 2005-2009

The following table shows the percentage of the U.S. Discretionary Budget allocated to education in 2003, 2005, and 2009 (t = 0 represents 2000) Year t3 Percentage P(t) 6.8 6.2 Compute and interpret the average rate of change of P(t) over the period 2003-2005 (that is, [3, 5]), and over the period [s, 9]. Be sure to state the units of measurement. HINT [See Example 1. (a) over the period 2003-2005 (that is, [3, 51) ,which means that U.S. education expenditure Select at an average rate of The average rate of change was during 2003-2005 (b) over the period [5, 9 Select, which means that U.S. education expenditure Select at an average rate of The average rate of change was during 2005-2009 , which means that U.S. education expenditureSelect-

Explanation / Answer

The average rate of change was __(7-6.8)/(5-3)= 0.1 = 10__ ( % per year), which means that U.S. education expenditure (increased) at an average rate of _10___ (% per year) during 2003-2005.

The average rate of change was __(6.2-7)/(9-5)= -0.2 = 20 ( % per year), which means that U.S. education expenditure (decreased) at an average rate of 20 (% per year) during 2005-2009

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