JEE Main 2012Medium
Q.If R is the set of real numbers and f : R → R is given by f(x) = x³, then f is
a
one-one but not onto
b
onto but not one-one
c
both one-one and onto
d
neither one-one nor onto
Correct Answer: Option C
The correct solution involves applying the fundamental concept to derive the final value step by step...