For , the velocity of a particle is . On which time interval is the particle moving…

MATHEMATICS · Single correct · AP · Calculus AB · Contextual Applications of Differentiation · Contextual Applications of Differentiation

Problem

For

t\ge0

, the velocity of a particle is

v(t)=t^{2}-4t\;\text{m/s}

. On which time interval is the particle moving left and slowing down? (a)

0<t<2

(b) The particle is never slowing down while moving left (c)

2<t<4

(d)

0<t<4