Mark the correct alternative in each of the following:

If the function f: R → A given by is a surjection, then A =


Given that f: R → A such that is a surjection.


f(x) = y



⇒ y(x2 + 1) = x2


⇒ yx2 + y = x2


⇒ yx2 - x2 = -y




Here,


So, y ϵ [0, 1)

1