Answer
See the explanation
Work Step by Step
$\bullet$ Vertex is at $(1,-3)$
$\bullet$ Axis of symmetry is $x=1$
$\bullet$ Domain is all real numbers
$\bullet$ Range is all real numbers greater or equal to $-3$
$\bullet$ When $x<1$, the function is decreasing
$\bullet$ When $x>1$, the function is increasing
