The position of a particle on a straight line is s=2t^2-12t5 (ft), where t is in seconds.
a) The initial position of the particle, at t=0, is?
b) The velocity as a function of time t, is?
c) The particle reverves its direction of travel when t=?
d) The total distance traveled by the particle from t=0 to t=5 sec is?