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. half-open interval; {x|-8 < x ? -4}; (-8, -4]
B. closed interval; {x|-8 ? x ? -4}; [-8, -4]
C. open interval; {x|-8 < x < -4}; (-8, -4)
D. half-open interval; {x|-8 ? x < -4}; [-8, -4)
Answer: B
Mathematics
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