Express the graph shown using interval notation. Also express it as an inequality involving x.
A. [-8, -4)
-8 ? x < -4
B. [-8, -4]
-8 ? x ? -4
C. (-8, -4]
-8 < x ? -4
D. (-8, -4)
-8 < x < -4
Answer: B
Mathematics
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Construct a truth table for the statement.~(p ? q) ? (p ? ~q)
A. 
| T | T | T |
F T T
F F T
B.
| T | T | T |
F T F
F F T
C.
| T | T | T |
F T T
F F T
D.
| T | T | T |
F T F
F F F
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Are the stresses B = 1600 psi and S = -400?
A. Yes B. No C. Cannot be determined
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