The graph of a continuous function will not have any 'breaks' or 'gaps' in it.You can draw it without lifting your pencil or pen.The graph of a discrete function will just be a set of lines.
It is arguable whether time is a function of matter, or matter is a function of time, since they are interlinked. Matter and the entire universe as we understand it exists in a framework of...
Distance equals speed multiplied by time. For example, speed is 72 km/h and time is 200 seconds or 200/3600=0,0(5) hours, so the distance traveled is 72*0,0(5)=4 kilometers.