The vertices of polygon ABCD are at A(1, 1), B(2, 3), C(3, 2), and D(2, 1). ABCD is reflected across the x-axis and translated 2 units up to form polygon A′B′C′D′. Match each vertex of polygon A′B′C′D′ to its coordinates. (2, 1)
A′
(1, 1)
B′
(3, 0)
C′
(2, 3)
D′
(-3, 4)
(2, -1)
(-2, 5)