What is the Pythagorean Theorem and how is it used to find the length of one side of a right triangle when the lengths of the other two sides are known?
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Question: Find the minimum value of the function f(x) = x^3 - 6x^2 + 9x, over the interval [0,3].
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What is the maximum value of the function f(x) = 2x^2 - 3x + 4 in the interval [-1, 3]?