JEE Main 2021 — Functions Question with Solution
From: JEE Main 2021 (Online) 25th February Morning Shift
Question
Let f, g : N N such that f(n + 1) = f(n) + f(1) nN and g be any arbitrary function. Which of the following statements is NOT true?
Choose an option
Show full solutionCorrect option: A
Correct answer
AIf g is onto, then fog is one-one
Step-by-step explanation
.....
is one-one
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This is a previous-year question from JEE Main 2021, 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.