For Questions 7 and 8 consider a particle
moving along s(t) = t3 - 3t, t≥ 0.
7. The particle moves to the left for
(A) 0 (B) 0 (C) 1 < t <2
(D) 0 8. Find the distance traveled by the particle in
the first two seconds.
(A) 0
(B) 2
(C) 4
(D) 6