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What is the range of a function?

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What is the range of a function?

(a) the maximal set of numbers for which a function is defined

(b) the maximal set of numbers which a function can take values

(c) it is set of natural numbers for which a function is defined

(d) none of the mentioned

The question was asked in an international level competition.

My question is based upon Domain and Range of Functions topic in portion Basic Structures: Sets, Functions, Sequences, Sums and Matrices of Discrete Mathematics

1 Answer

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Correct answer is (b) the maximal set of numbers which a function can take values

Easy explanation: Range is the set of all values which a function may take.

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