The figure below shows a fixed circle C with equation x 1 2 y2 1 and another shrinking circle C centered at the origin with positive y intercept P 0 r Let Q be the point of intersection between the two circles pictured draw a line through P am Q and let R be the x intercept of that line b The line through P and Q has equation y a Find the coordinates of the point Q your answers will involve r Q c The point R lim R d 20 y X O C R