Tanvir graphed the relationship between the number of rotations of the screwdriver and the height of a screw head above a piece of wood. After 5
rotations the screw head height is 22 millimeters and after 13 rotations the
screw head heights is 6 millimeters. What is the rate of change?
O 2 millimeters per rotation
O 2 rotations per millimeter
1/2 rotation per millimeter
1/2 millimeter per rotation