Multiple Choice
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 [4, 6]. ![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](https://d2lvgg3v3hfg70.cloudfront.net/TB7516/11eb42ca_a10d_1cbf_8bfd_83e7706c29de_TB7516_00.jpg)
A) ![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](https://d2lvgg3v3hfg70.cloudfront.net/TB7516/11ecc543_6fc1_1c3d_8347_17f56a38135f_TB7516_11.jpg)
B) ![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](https://d2lvgg3v3hfg70.cloudfront.net/TB7516/11ecc543_759f_568e_8347_41865fa39eb2_TB7516_11.jpg)
C) none of these
D) ![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](https://d2lvgg3v3hfg70.cloudfront.net/TB7516/11ecc543_7c07_5a4f_8347_d178a0d30354_TB7516_11.jpg)
Correct Answer:

Verified
Correct Answer:
Verified
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