Asked by Mike
Starting at t=0, a particle moves along the x-axis so that its position at time t is given by x(t)=t^4-5t^2+2t. What are all values of t for which the particle is moving to the left?
(A)0<t<0.913
(B)0.203<t<1.470
(C)0.414<t<0.913
(D)0.414<t<2.000
(E)There are no values of T
(A)0<t<0.913
(B)0.203<t<1.470
(C)0.414<t<0.913
(D)0.414<t<2.000
(E)There are no values of T
Answers
Answered by
Steve
find where dx/dt < 0