Math question: Evaluate the limit as x approaches 0 of (e^x - 1 - x)/x³. How can L'Hospital's Rule be applied here?
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What is the equation of a hyperbola if the center is at (2, -3), the vertices are at (-1, -3) and (5, -3), and the distance between the foci is 6 units?
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What is the variance of the data set {3, 5, 9, 12, 14}?