The Table Lists the Average Composite Scores on a National

question 479

Multiple Choice

The table lists the average composite scores on a national entrance exam for selected years. $$\begin{array} { c | c c c c c c c } \text { Year } & 2 & 4 & 6 & 8 & 10 & 12 & 14 \\\hline \text { Score } & 122.7 & 131.5 & 131.5 & 129.5 & 133.9 & 132.0 & 130.0\end{array}$$ (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 [4, 6].

• A) \[f ( x ) = 4.4 x - 8589.3 \text { if } 8 \leq x \leq 10\]
• B) \[f ( x ) = 131.5 \text { if } 4 \leq x \leq 6\]
• C) none of these
• D) \[f ( x ) = 0.75 x - 1355 \text { if } 4 \leq x \leq 8\]

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Positive traits or qualities that individuals possess, which are beneficial for performance in various areas of life.

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Attributes or areas of one's character or abilities that are less developed or less effective than other qualities.

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