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Which is the correct interval form of non-negative real numbers?

Answer and explanation

Correct answer: [0, ∞)

Non-negative real numbers are all real numbers greater than or equal to zero, so they satisfy x ≥ 0. Because zero is included, the left endpoint must use a square bracket. The set continues without bound toward positive infinity, and infinity always uses a round bracket because it is not a real number. Thus the correct interval is [0, ∞), making option B correct.

Related tags

Non-Negative-NumbersInterval-NotationReal-NumbersRepresentation On Number LineLinear InequalitiesMathematicsClass 12 Mcq

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