Triangle OPQ above is the solution of the inequalities
A.
x – 1 ≤ 0, y + x ≤ 0, y – x ≤ 0
B.
x – 1 ≤ 0, y – x ≥ 0, y + x ≥ 0
C.
x + 1 ≥ 0, y + x ≤ 0, y – x ≥ 0
D.
y + x ≤ 0, y – x ≥ 0, x – 1 ≥ 0
Answer: C
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