Solve the polynomial inequality and graph the solution set on a number line.x2 - 3x - 28 ? 0
A. [-4, 7]
B. (-?, -4] ? [7, ?)
C. (-?, -4]
D. [7, ?)
Answer: A
Mathematics
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+ 
+ 
+ 
A. 
B. 
C. 
D. 
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.
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D. 
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