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) $( - 2,4 )$

Question

Quizplus · Accepted Answer

Reflecting a point across the y-axis changes the sign of the x-coordinate while the y-coordinate remains the same, so the point (2, 4) becomes (-2, 4).

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