Consider a converging lens whose focal length is $5\mathrm{.}79$ cm $.$ An object is placed on the axis of the lens at a distance of $12\mathrm{.}9$ cm from the lens.

How far $s^{\text{'}}($in centimeters$)$ is the object's image from the lens?

$s^{\text{'}}=$

cm

If it can be determined, is the image real or virtual?

virtual

cannot be determined

real

If it can be determined, is the image upright or inverted with respect to the object?

inverted

upright

cannot be determined