Shaving/makeup mirrors typically have one flat and one concave (magnifying) surface. You find that you can project a magnified image of a light bulb onto the wall of your bathroom if you hold the mirror 1.2 m from the bulb and 6.2 m from the wall. (Include the sign of each answer.)
(a) What is the magnification of the image? (Enter a negative value if the image is inverted.)
(c) What is the focal length of the mirror?