'x' means wr0ng, it can be right but the pr0blem is the f0rmatting of the answer 1

\f4. [1/5 Points] DETAILS PREVIOUS ANSWERS LARCALC11M 12.3.016. The position vector r describes the path of an object moving in space. Position Vector Time r(t) = thi + tj+ 2+3/2k t=4 (a) Find the velocity vector v(t), speed s(t), and acceleration vector a(t) of the object. v (t) = 21 + 3Vt X s(t) = V 41- +1 +9t 3 a(t) = 2 + 2 V t X (b) Evaluate the velocity vector and acceleration vector of the object at the given value of t. V(4) = 8+3V4 -14 X 3 11 a(4) = 2 + 2V 4 4 X