Use simulation ray diagram to find the image position of an object that is 50 cm to the left of a convex lens with a 21.3-cm focal length.

This is the answer: body 1 + engine 2

If one were to put the y value into the equation, they could find out what x is for a certain value of y.  putting in the value of y (1), we get the equation: 1=4x-12=4xx=0.5this means that the value of x when why is 1 is x=0.5