Question: What is the standard deviation, denoted as σ, for a sample of 50 data points when the mean (x̄) is 10 and the variance (s²) is 4?
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What is the equation of the logarithmic function that has a horizontal asymptote at y=2, passes through the point (4,1), and has a vertical stretch of 3?
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What is the surface area of a cylinder with radius 3 and height 8?