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

Question

22 August, 20:19

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Answers (1)

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Kayley Khan · Answer 1

The answer is C.

a - 9 ≤ 4 and a - 9 ≤ - 4

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