What are the solutions for the equation x^2 + 3x - 4 = 0?
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What is the value of f(x) when x = 2 in the exponential function f(x) = 10^x, and what is the value of f(x) when x = 2 in the exponential function f(x) = e^x?
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Find the derivative of f(x) = (g(h(x)))² with respect to x.