Math Question: Find the derivative of f(x) = 3x^2 - 4x + 1 using the basic rules of derivatives.
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What is the radian measure of an angle subtended by an arc with a length of 5 units on a circle with a radius of 2 units?
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What is the resultant vector when adding a displacement vector of magnitude 5 in the northeast direction with a displacement vector of magnitude 3 in the west direction?