The velocity v(t) of a particle, in m/s, is described below.
• 0≤t≤3: v increases linearly from 0 to 6.
• 3<t≤5: v is −4.
• 5<t≤7: v increases linearly from −4 to 2.
Determine the particle’s displacement on the interval 0≤t≤7s.
(a) −9m
(b) −1m
(c) 13m
(d) 1m