2. A convex lens with focal length fcentimeters will project the image of an object on a point behind the lens. If an object is placed a distance of p centimeters from the lens, then the distance q centimeters of the image from the lens is related to p and f by the lens equation: 1 1 += pg f object K q image A. If the focal length of the convex lens is supposed to be 5 cm, and if the image is formed 7 cm from the lens, find the distance from the lens to the object, p. (It's not necessary to simplify your answer.) B. Find an expression that gives q as a function of p, assuming that the focal length is a constant of 5 centimeters. C. Sketch a graph of q as a function of p (i.e., q(p)), assuming that the focal length is a constant of 5 centimeters. Show any important features of the graph.