The function​ s(t) represents the position of an object at time t moving along a line. Suppose s(1)=102 and s(6)=232. Find the average velocity of the object over the interval of time [1,6].

Atruck driver is attempting to deliver some furniture. first, he travels 8 km east, and then he turns around and travels 3 km west. finally, he turns again and travels 13 km to his destination. what is the drivers total displacement?