Compare the Graph of the Following Function with the Graph $f ( x ) = \sqrt { x }$

Multiple Choice

Compare the graph of the following function with the graph of $f ( x ) = \sqrt { x }$ . $y = \sqrt { - x + 4 }$

A) First a vertical shift of 4 units up then a reflection in the $y$ -axis.
B) First a horizontal shift of 4 units to the left then a reflection in the $y$ -axis.
C) First a vertical shift of 4 units up then a reflection in the $x$ -axis.
D) First a horizontal shift of 4 units to the left, then a vertical shift of 4 units up and then a reflection in the $y$ -axis.
E) First a horizontal shift of 4 units to the left then a reflection in the $x$ -axis.