A 1.75-m-tall person stands 7.90 m in front of a large, concave spherical mirror having a radius of curvature of 5.80 m. (a) Determine the mirror's focal length (in m). (b) Determine the image distance (in m). (c) Determine the magnification. (d) Is the image real or virtual? real virtual (e) Is the image upright or inverted? upright inverted