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Which option can be the set-builder form of F = {0, 1, 2, 3, 4}?

Answer and explanation

Correct answer: F = {x : x is a whole number and x < 5}

The governing concept is set-builder notation: the rule must generate every member of F and no other member. Whole numbers are 0, 1, 2, 3, 4, and so on; imposing x < 5 leaves exactly {0, 1, 2, 3, 4}. Under the usual school convention used here, natural numbers begin at 1, so B omits 0. C gives larger integers and D gives only even numbers. Hence A is correct.

Related tags

SetsSet-Builder NotationWhole NumbersClass 9 MathematicsGeneral Chapter PracticeCommon QuestionsCommonMathematics

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