The velocity of a particle is given by v(t)=t2−4t+3 for t≥1. If the particle’s position at t=1 is 5, which of the following is the particle’s position function s(t) for t≥1?
a) s(t)=31t3−2t2+3t
b) s(t)=31t3−2t2+3t−311
c) s(t)=31t3−2t2+3t+311
d) s(t)=31t3−4t2+3t+317