What is the volume of a cube with an edge length of 5 units?
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Math Question: Find the derivative of f(x) = 5x^3 + 2x^2 - 7x + 3 using the basic rules of derivatives.
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What is the common characteristic between the exponential functions f(x) = 10^x and f(x) = e^x in terms of their values as x tends to negative infinity?