Given the set sketched on the number line, identify the type of interval (open, closed, half-open, open infinite, closed infinite), write the set using set-builder notation, and write the set using interval notation.
A. open infinite interval; {x|x > 1}; (1, ?)
B. closed infinite interval; {x|x ? 1}; [1, ?)
C. closed infinite interval; {x|x ? 1}; (-?, 1]
D. open infinite interval; {x|x < 1}; (-?, 1)
Answer: B
Mathematics
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A. Yes B. No
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A. prime B. 4x2(3x + 2)2 C. 4x2(3x + 2)(3x - 2) D. 4x2(3x - 2)2
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A. 
B. 
C. 
D. 
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