The position vector of a particle is r(t). Find the requested vector.The velocity at t = 2 for r(t) = (4 - 2t2)i + (10t + 2)j - e-2tk
A. v(2) = 8i + 10j + 2e-4k
B. v(2) = -8i + 10j - 2e-4k
C. v(2) = -8i + 10j + 2e-4k
D. v(2) = -4i +10j + 2e-4k
Answer: C
Mathematics
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