Dierdre drew a diagram to compare the three types of mirrors. which labels belong in the areas marked x, y, and z? x: curves inward y: image may be larger than object z: image is always real x: image is always virtual y: curves outward z: image may be smaller than object x: image is always real y: curves inward z: image may be smaller than object x: curves outward y: image may be smaller than object z: image is always virtual