Question: Find the extreme value(s) of the function f(x) = 3x^2 - 5x + 2 over the closed interval [0, 7].
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Question: Find the common factors of 15x² - 5x and factor it completely.
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Math question: What is the equation of the quadratic function whose graph opens upward, with the vertex at (1, 2) and passing through the point (3, 5)?