A particle travels along the x-axis such that its position is given by x(t) = t0.8 cos (2t). What is the velocity of the particle at time t = 2? You may use a calculator and round your answer to the nearest thousandth.

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A: This question can be solved using the concept of combination.

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A: NOTE: Refresh your page if you can't see any equations. .

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A: solution

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A: Please refer to the image below

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A: Since you have asked multiple question, we will solve the first question for you as per our guide…

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A: The given question has been solved in detail

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Q: f(-9) = 0 f(-1) = 0 f(2) = 2 f(4) = 4 f(6) = 3 lim f(x) =∞ lim f(x) =-∞ X--5+ lim f(x) = ∞ lim f(x)…

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A: Given