An office machine is purchased for 6800 Its value each year is 83 of its value the preceding year a Write an equation to represent the value V of the machine after n years b Graph the equation for n 0 to 8 in steps of 2 years c Use the graph to predict when the value of the machine will be 1500 Attach your work as a single image JPEG image Contact your instructor if you have difficulty attaching the image