Suppose the Point (2, 4) Is on the Graph of Y

Multiple Choice

Suppose the point (2, 4) is on the graph of y = f(x) . Find a point on the graph of the given function.
-The reflection of the graph of $y = f ( x )$ across the $y$ -axis

A) $( 2,4 )$
B) $( 2 , - 4 )$
C) $( - 2 , - 4 )$
D) $( - 2,4 )$