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[In the interval ((-3,7]), what is the status of \(x=7\) on the number line?)

Answer and explanation

Correct answer: It is included in the solution set

In the interval \((-3,7]\), the square bracket after 7 shows that 7 belongs to the solution set. Hence, a filled dot is marked at x=7 on the number line, whereas -3 is shown with an open dot. Exam tip: a square bracket indicates inclusion, while a parenthesis indicates exclusion.

Related tags

Linear-InequalitiesInterval-NotationNumber-LineEndpoint-InclusionRepresentation On Number LineLinear InequalitiesMathematicsClass 11 Mcq

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