Find the derivative of y = sin(2x) + cos(3x) - tan(x) with respect to x.
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What is the equation of the reciprocal function with a vertical asymptote at x = 3, a horizontal asymptote at y = 0, and passing through point (2, 0.5)?
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Question: What is the value of f(4) if f(x) = 2xΒ² - 3x + 5?