morganmsaylor5681 morganmsaylor5681

22-04-2024
Mathematics

contestada

The position of a particle moving in the xy-plane is given by (at (t), y(t)), where x (t) = t³ + 2t and y(t) = 5t² – 7. What is the speed of the particle at time t = 3 ?

a. 1.034
b. 18.601
с. 18.709
d. 41.725

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