Math Question: Find the 4th derivative of f(x) = (3x^2 + 5x - 2)^6 - (7x^3 + 2x + 1)^4.
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Math question: According to the Fundamental Theorem of Calculus, if f(x) is continuous on [a, b], and F(x) is an antiderivative of f(x), what is the definite integral from a to b of f(x) dx?
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Question: What is the value of f(x) = 2x + 3 when x = 7?