13 A student drew a graph to represent this situation Jonah is watching television After 3 min his mom enters the room to ask him a question He turns the volume down a bit answers his mom then turns the volume back up Two minutes later Jonah s dad turns on the dishwasher so Jonah gradually turns up the volume After a further 3 min a commercial comes on so Jonah presses the mute button Describe any errors in the student s graph Volume of a Television Volume scale 80 60 40 20 0 to Time min 8 10