Identify the sequence of transformations that will reflect a figure over the x−axis and then dilate it by a scale factor of 3.
a (x, y) > (x, −y); (x, > (3x, 3y)
b (x, > (x, −y); (x, > (3x, y)
c (x, > )(−x, y); (x, > (3x, 3y)
d (x, > (−x, y); (x, > (x, 3y)