Question: For the functions f(x) = log x and f(x) = ln x, find the value of x when f(x) = 3.
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What is the equation of an ellipse with a major axis of length 10 units, minor axis of length 6 units, centered at (2, -3), and tilted at an angle of 45 degrees with the positive x-axis?
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What is the volume of a rectangular prism with length 10cm, width 5cm, and height 8cm?