A.
a reflection across the x-axis
B.
a translation 3 units right and 1 unit down
C.
a 90° counterclockwise rotation
D.
a 90° clockwise rotation
![A a reflection across the xaxisB a translation 3 units right and 1 unit downC a 90 counterclockwise rotationD a 90 clockwise rotation class=](https://us-static.z-dn.net/files/d42/e6b42f97cf34f2981d22fe6dbf0220f9.png)