What is the end behavior of the cubic function f(x) = x^3? Does it approach positive infinity as x approaches positive infinity? Does it approach negative infinity as x approaches negative infinity? Justify your answer.
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Math question: What is the minimum value of the function f(x) = 3x^2 - 6x + 2 in the interval [0,5]?
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What is the value of the mixed number 3 and 2/5, when factored by 5 and multiplied by the real number 7.5?