What is the derivative of the function f(x) = ∫[0 to x] (2t^3 + 5t^2 + 3t + 1) dt using the Fundamental Theorem of Calculus?
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What is the resultant vector when you add a displacement vector of magnitude 2 meters in the east direction with a displacement vector of magnitude 3 meters in the north direction?
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What is the average number of apples sold by a vendor per day if they sell 600 apples in 4 days?