Express the graph shown using interval notation. Also express it as an inequality involving x.
A. (1, 9)
1 < x < 9
B. [1, 9]
1 ? x ? 9
C. (1, 9]
1 < x ? 9
D. [1, 9)
1 ? x < 9
Answer: D
Mathematics
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A. A pays: $82,333 B pays: $82,333 C pays: $82,333 B. A pays: $123,500 B pays: $82,333 C pays: $41,167 C. A pays: $247,000 B pays: $0 C pays: $0 D. A pays: $172,900 B pays: $49,400 C pays: $24,700
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A. 
B. 
C. 
D. 
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A. 
B. 
C. 
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Mathematics