JEE Main 2019 — Functions Question with Solution
From: JEE Main 2019 (Online) 11th January Morning Slot
Question
Let f : R R be defined by f(x) = . Then the range of f is :
Choose an option
Show full solutionCorrect option: A
Correct answer
A
Step-by-step explanation
f(0) = 0 & f(x) is odd
Further, if x > 0 then
f(x) =
Hence,
Further, if x > 0 then
f(x) =
Hence,
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This is a previous-year question from JEE Main 2019, covering the Functions chapter of Mathematics. PrepSharp catalogues every PYQ from JEE Main with a verified answer key and step-by-step solution prepared by IIT alumni — so you can search by chapter, topic or year and revise efficiently.