What is the derivative of f(x) = cos(2x) - sin(3x) + tan(4x) at x = π/6?
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What is the slope-intercept equation of a line that has a slope of 2 and a y-intercept of -3?
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Math question: The line y = 2x + 3 intersects the y-axis at point A. If the x-coordinate of point B on this line is 5, what is the y-coordinate of point B?