Question: Consider a function f(x) defined on the closed interval [a, b]. Determine if there exists a maximum or minimum value for f(x) using the Extreme Value Theorem.
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Find the derivative of f(x) = 3x^4 - 2x^2 + 5x - 1.
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Math Question: What is the limit as x approaches 0 of (3x^2 - 5x)/(2x - 1)?