JEE Advanced · Sets, Relations and Functions · Quiz
5 real JEE Advanced questions on Sets, Relations and Functions. Instant scoring and solutions, no signup — see where you stand in ~3 minutes.
Question 1 of 2
MEDIUMLet f: R → R be defined by f(x) = x³ + 2x² - 5x + 7. Let S = {x ∈ R : f(f(f(x))) = x}. Then which of the following is true?