What is the difference between the growth rates of the exponential functions f(x) = 10^x and f(x) = e^x, given that they both represent exponential growth?
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What is the limit of (x^2 - 4) / (x - 2), as x approaches 2?
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Find the derivative of f(x) = cos(3x) + tan(2x) - sec(x) - sin(x).