MathematicsInequalitiesJAMB
Solve −3 < 2x + 1 ≤ 7.
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Answer: B. −2 < x ≤ 3
Subtract 1: −4 < 2x ≤ 6; divide by 2: −2 < x ≤ 3.
An AdmitMe practice question, written for the JAMB syllabus. Not an official past question.
Mathematics · Inequalities
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