An object sits in front of a spherical mirror with a focal length of 20 centimeters. The image produced by the mirror is upright and has a height one-third that of the original object. Which of the following is true?

W) The image is real and the mirror is convex

X) The image is real and the mirror is concave

Y) The image is virtual and the mirror is convex

Z) The image is virtual and the mirror is concave
Y) the IMAGE IS VIRTUAL AND THE MIRROR IS CONVEX