A near-sighted person might correct his vision by wearing diverging lenses with focal length f = -40 cm . When wearing his glasses, he looks not at actual objects but at the virtual images of those objects formed by his glasses. Suppose he looks at a 15cm -long pencil held vertically 1.5 m from his glasses. Use ray tracing to determine the location of the image. Use ray tracing to determine the height of the image.