Evaluate the sum.
A. 81
B. 12
C. 243
D. 120
Answer: D
Mathematics
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A. 
B. 
C. 
D. 
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Solve the problem.In a certain country the number of acres of farmland is modeled by 
where x is the year with 2002 ? x ? 2012. Evaluate f(2011) and interpret the result.
A. 759,448; In 2011, 759,448 acres of farmland are converted to other uses. B. 1,061,098; In 2011, there are 1,061,098 acres of farmland. C. 761,098; In 2011, there are 761,098 acres of farmland. D. 1,061,098; In 2011, 1,061,098 acres of farmland are converted to other uses.
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Write fractions to represent the shaded and unshaded portions of the figure.
A. 
, 
B. 
, 
C. 
, 
D. 
, 
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