Question: The heights (in inches) of seven students are: 64, 67, 62, 68, 67, 69, and 66. Calculate the mean, mode, median, range, and average of the given heights.
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Math question: What is the limit as x approaches 2 of the function f(x) = (x^2 - 4) / (x - 2) ?
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Math question: What is the derivative of f(x) = sin(x) + ln(x) - e^x^2 + 3x^4, where ln(x) denotes the natural logarithm? (