According to the image,which describes a sequence of rigid motions that maps ABCDE onto A"B"C"D"E"
A. a rotation of 90 degrees counter clockwise about the origin followed by a reflection of the x-axis
B. a rotation of 90 degrees counterclockwise about the origin followed by a translation down 7 units
C. a reflection over the y-axis followed by a reflection over the x-axis
D. a reflection over the x-axis followed by a rotation of 90 degrees counter clockwise about the origin
please help
