CUET Preparation Today
CUET
-- Mathematics - Section B1
Relations and Functions
If f : R → A given by $f(x)=x^2-6 x+12$ is a surjective function, then the set A is:
$(3, \infty)$
$(-\infty, 3)$
$[3, \infty)$
$(-\infty, 3]$
The correct answer is Option (3) → $[3, \infty)$
