contestada

A figure is reflected across the y-axis.

Which mapping statement corresponds to the transformation described in the previous sentence?

A. (x,−y)↦(−x,y)
B. (−x,y)↦(−x,y)
C. (x,y)↦(x,−y)
D. (x,y)↦(−x,y)

Respuesta :

The answer is C because it is only being reflected one way.
The correct. answer is D. If you reflect over the y-axis the y remains the same and the x changes.