8. [-/3 Points] DETAILS SCALCET9 13.4.012. MY NOTES ASK YOUR TEACHER Find the velocity, acceleration, and speed of a particle with the given position function. r(t) = ti + 8tj + 6 In(t)k v(t) = a(t) = |v(t)| =12. [-/1 Points] DETAILS SCALCET9 14.2.022. Find the limit, if it exists. (If an answer does not exist, enter DNE.) 6x - y lim (x, y) - (9, 5) 36x2 - 216. [-/2 Points] DETAILS SCALCET9 14.3.042. dz az Use implicit differentiation to find and ax dy + 22 - 62 = 3 Oz = ax Oz = dy