JEE Main 2008 — Functions Question with Solution
From: AIEEE 2008
Question
Let be a function defined as f(x) = 4x + 3 where
Y = { y N, y = 4x + 3 for some x N }.
Show that f is invertible and its inverse is
Y = { y N, y = 4x + 3 for some x N }.
Show that f is invertible and its inverse is
Choose an option
Show full solutionCorrect option: D
Correct answer
D
Step-by-step explanation
Clearly is one one and onto, so invertible
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This is a previous-year question from JEE Main 2008, 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.