A polygon is graphed on a coordinate grid with (x, y) representing the location of a certain point on the polygon. The polygon is transformed using the rule (x, y)→(ax, ay) . Which statement must be true? If a equals 1, the image of the polygon is larger than the polygon. If a is between 0 and 1, the image of the polygon is larger than the polygon. If a equals 1, the image of the polygon is smaller than the polygon. If a is between 0 and 1, the image of the polygon is smaller than the polygon.