Solve the problem.The table lists the average composite scores on a national entrance exam for selected years.
(i) Make a line graph of the data.(ii) If the graph represents a piecewise-linear function f, find a symbolic representation for the piece of f located on the interval 
A. none of these
B. f(x) = 0.75x -1355 if 4 ? x ? 8
C. f(x) = 4.4x -8589.3 if 8 ? x ? 10
D. f(x) = 131.5 if 4 ? x ? 6
Answer: D
Mathematics
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Perform the indicated operations.(5 + p)2
A. p2 + 25 B. 25p2 + 10p + 25 C. p + 25 D. p2 + 10p + 25
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Write the number in words.70,146
A. Seventy thousand, one hundred forty-six B. Seven thousand, one hundred forty-six C. Seven million, one thousand, forty-six D. Seven hundred one thousand, forty-six
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Combine. Assume that all variables represent non-negative real numbers.
- 
A. 3
- 4
B. 7
C. 4
- 3
D. 3 - 4
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Solve the equation.3(9 - 4x) = 3
A. {-2} B. {1} C. {3} D. {2}
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