Mixed Numbers: Emily has 2 and 3/4 cups of flour. If she needs 1 and 1/2 cups for a recipe, how much more flour does she need?
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Find the derivative of f(x) = 3x^2 - 5x + 7.
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Math question: What is the smallest value of n in Fermat's Theorem equation x^n + y^n = z^n, where x, y, z, and n are positive integers, not equal to 1?