CUET Preparation Today
CUET
-- Mathematics - Section B1
Relations and Functions
Which of the following functions is onto ?
$f: R→R, f(x) = x^2 $
$f: R→R, f(x) = x^2 +1$
$f: R→R, f(x) = x^2-1 $
$f: R→R, f(x) = 2x+1 $
