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If ( 2x-3<5 ) and ( x+4\geq 1 ), what is the combined solution?

Answer and explanation

Correct answer: \( -3 \leq x < 4 \)

From \(2x-3<5\), we get \(2x<8\), so \(x<4\). From \(x+4\geq1\), we get \(x\geq-3\). Satisfying both conditions gives \( -3 \leq x < 4 \), so option A is correct. Option B incorrectly excludes \(-3\) and includes \(4\). Exam tip: the word “and” means take the intersection of the solution sets.

Related tags

Linear InequalitiesOne VariableIntersection Of InequalitiesInterval NotationAlgebraic SolutionAlgebraic Solution Of Linear Inequalities In One VariableMathematicsClass 11 Mcq

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