☐ A
A. (iv)
B. (i)
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(Choose 1 answer)
(See picture)
The function s(t) = t² cost + 4t² represents the position of a particle
moving along a horizontal line. Find the velocity of the particle at time
t = π.
☐ D
C. (ii)
(i) 4π
(ii) 8π
(iii) 6π
(iv) 2π
☐ E
D. (iii)
E. None of the other choices is correct
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