Question: A bacteria culture initially contains 500 cells and grows exponentially. After 3 hours, there are 2000 cells. How many cells will be present after 6 hours?
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Question: Find the derivative of f(x) = sin²(x) + cos³(x) using differentiation rules.
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Math question: What is the limit as x approaches 3 of (2x - 7)/(x^2 + 5x - 14)?