A Particle Moves Along the X-Axis So That Its Velocity $\le$

Multiple Choice

A particle moves along the x-axis so that its velocity at time t is v(t) = - 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 $\le$ t $\le$ 4.(b) the distance travelled by the particle during this time period.

A) (a) 4.5 m to the left, (b) 10.2 m
B) (a) 4.5 m to the right, (b) 10.2 m
C) (a) 12.0 m to the left, (b) 20.5 m
D) (a) 12.0 m to the right, (b) 20.5 m
E) none of the above