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Use {1, 3, 5, 7} as replacement set for 2x + 3 ≤ x + 7.

A{3, 5}
B{1, 3}
C{5, 7}
D{1, 3, 5}
Answer & Solution
Correct answer: B. {1, 3}
The inequality simplifies to x ≤ 4, leaving 1 and 3 from the specified set.
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