Which conjunction or disjunction is equivalent to the open sentence |a – 9| ≤ 4. A. a – 9 ≥ 4 and a – 9 ≤ –4 B. a – 9 ≤ 4 or a – 9 ≥ –4 C. a – 9 ≤ 4 and a – 9 ≤ –4 D. a – 9 ≤ 4 and a

Which conjunction or disjunction is equivalent to the open sentence |a – 9| ≤ 4.

A.
a – 9 ≥ 4 and a – 9 ≤ –4

B.
a – 9 ≤ 4 or a – 9 ≥ –4

C.
a – 9 ≤ 4 and a – 9 ≤ –4

D.
a – 9 ≤ 4 and a – 9 ≥ –4

1 Answer

Which conjunction or disjunction is equivalent to the open sentence |a – 9| ≤ 4. A. a – 9 ≥ 4 and a – 9 ≤ –4 B. a – 9 ≤ 4 or a – 9 ≥ –4 C. a – 9 ≤ 4 and a – 9 ≤ –4 D. a – 9 ≤ 4 …

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