- 4( Let u(t) = 8t i+ (-9)j-8k and v(t)= e'i+9 ej- e "k. Compute the derivative of the following function. u(t) - v(t) z5(1 Select the correct choice below and fill in the answer box(es) to complete your choice. z6( O A. The derivative is the scalar function actice O B. The derivative is the vector-valued function Di+k. i+ st 2 uiz 7 (1 uiz 8 (1 Help me solve this View an example Get more help - uiz 9 (1

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