The coordinates of the vertices of △DEF are D(2,−1) , E(7,−1) , and F(2,−3) . The coordinates of the vertices of △D′E′F′ are D′(0,−1) , E′(−5,−1) , and F′(0,−3) . What is the sequence of transformations that maps △DEF to △D′E′F′ ? A sequence of transformations that maps △DEF to △D′E′F′ is a ___________ followed by a ___________ 
 A) Translation 2 units right 
 B) Rotation of 180 degrees about the origin 
 C) Reflection across the y-axis 
 D) Translation 2 units up 
 Choose 2 correct answers.