A particle moves along the x-axis so that its velocity at time t is v(t) = t2 - t - 6 (in metres per second).
Find, to the nearest tenth of a metre,
(a) the displacement of the particle during the time period 1 ≤ t ≤ 4.
(b) the distance travelled by the particle during this time period.
◦ (a) 4.5 m to the right, (b) 10.2 m
◦ (a) 12.0 m to the left, (b) 20.5 m
◦ (a) 12.0 m to the right, (b) 20.5 m
◦ (a) 4.5 m to the left, (b) 10.2 m
◦ none of the above