Each of the Exercise describes a trip you made along a straight road connecting two cities...

Each of the Exercise describes a trip you made along a straight road connecting two cities 120 miles apart. Sketch the graph of the distance d from your starting point (in miles) as a function of the time t elapsed (in hours). Also describe the function d(t) symbolically.

Exercise

You traveled for  hour at 60 miles per hour, suddenly remembered that you’d left your wallet at home, drove back at 60 miles per hour to gel it, and finally drove 2 hours at 60 miles per hour to reach your destination.