What is the variance of a dataset {2, 4, 6, 8} using the formula Var(X) = Ξ£((Xα΅’ - ΞΌ)Β²)/n, where ΞΌ is the mean, Xα΅’ is each data point, and n is the number of data points?
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What is the value of f(3) for the logarithmic function f(x) = log x / f(x) = ln x?
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Question: "Factorize the expression 3x^2 + 6x + 9 using the distributive property."