History homework help. The graph on the right shows a history graph of a traveling wave pulse at position x=2m.The wave pulse is traveling to the right with a velocity of 2m/s.Use the information to construct a snapshot graph of the pulse at time t=4s on the left.https://d2vlcm61l7u1fs.cloudfront.net/media%2Fe3f%2Fe3f59642-16fa-4bc3-978d-1648c21019a9%2Fimageplease answer this and explain. thanks