WBJEE 2016 Math Solved Paper

© examsiri.com

Question : 74 of 75

Marks: +1, -0

Let f : X → X be such that f(f(x)) = x for all x ∈ X and X ⊆ R, then

f is one-to-one
f is onto
f is one-to-one but not onto
f is onto but not one-to-one

Go to Question:

Prev Question

Next Question