Math question: What is the smallest positive integer value of n that satisfies the equation x^n + y^n = z^n, where x, y, and z are positive integers, and n is greater than 2?
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What is the maximum value of the function f(x) = 2x^2 + 5x + 3 in the interval [-5, 10]?
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Math question: Find the value of c if the constant function f(x) = c remains the same for all values of x.