Answer:
C
Explanation:
Given
9 { + 1 } ≥ 6 ( divide both sides by 9 )
+ 1 ≥ , that is
+ 1 ≥ ( multiply through by 3 to clear the fractions )
x + 3 ≥ 2 ( subtract 3 from both sides )
x ≥ - 1 → C
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