(05.08a)two similar triangles are shown on the following coordinate grid:
which set of transformations has been performed on triangle xyz to form triangle x″y″z″?

dilation by a scale factor of 4 followed by reflection over the x-axis
dilation by a scale factor of 2 followed by reflection over the y-axis
dilation by a scale factor of 4 followed by reflection over the y-axis
dilation by a scale factor of 2 followed by reflection over the x-axis