Well if you try drawing a circle on a piece of paper and divide it into 4 equal parts, then shade 3 parts out and look at the part that hasn't been shaded. Divide that part into 2 part a shade one of the two. Look at your drawing, and that's your answer..
Reflection over the x-axis, vertical shift scale factor 3, horizontal translation LEFT 3 units(opposite since there are parenthesis), vertical translation down 7 units.