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Which option shows the union of (x<6) and (x>6)?

Answer and explanation

Correct answer: \((-\infty,6)\cup(6,\infty)\)

The strict inequalities x<6 and x>6 together include every real number except 6. Therefore, the number line has an open point at 6 and is shaded on both sides. Option B is incorrect because it includes 6. Exam tip: use open endpoints for < and >, and closed endpoints for ≤ and ≥.

Related tags

Linear-InequalitiesUnionNumber-LineInterval-NotationRepresentation On Number LineLinear InequalitiesMathematicsClass 11 Mcq

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