The function s = f(t) gives the position of a body moving on a coordinate line, with s in meters and t in seconds. Find the body's displacement and average velocity for the given time interval.s = 3t² + 3t+10, 0st?2A. 38 m, 19 m/secB. 18 m, 9 m/secC. 12 m, 15 m/secD. 18 m, 18 m/sec