Question: What is the limit as x approaches 3 of (4x^2 + 5x - 2) / (3x + 1)?
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Question: The function f(x) represents the exponential growth of a population. If f(2) = 100 and f(5) = 400, find the equation of the graph. (Assume f(x) = a*b^x, where a and b are constants)