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If f(x) = 2^x then range of the function is?(a) (-∞, ∞)(b) (-∞, ∞) – {0}(c) (0, ∞)(d) None of the mentionedI have been asked this question during an online interview.Enquiry is from Domain and Range of Functions in section Basic Structures: Sets, Functions, Sequences, Sums and Matrices of Discrete Mathematics

Answer»

The correct option is (c) (0, ∞)

The explanation: The function cannot take NEGATIVE values,HENCE RANGE is (0, ∞).



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