What is the sum of the mixed numbers 3 1/2 and 2 3/4 when factored as whole numbers, and represented as real numbers?
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Math Question: Find the maximum or minimum value of the function f(x) = 3x^2 - 4x + 5 within the interval [-2, 4].
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What is the resultant displacement when a vector of magnitude 50 units acting towards north is added to a vector of magnitude 70 units acting towards east? (