///

The point (a, b) is the top of a rectangle. After a transformation, it maps to the point (-a, b+3), what type of transformations happened?

a.) reflection over the line y= -1 and translated 3 units left

b.) reflection over the y = 1 and translated 3 units right

c.) reflection over the x-axis and translated 3 units down

d.) reflection over the y-axis and translated 3 units up