Math question: What is the value of f(3) for the function f(x) = 1/x?
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Question: Find the area of a triangle with side lengths of 5, 7, and 9 using Heron’s Formula.
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Math question: In triangle ABC, angle B measures 45 degrees and angle C measures 90 degrees. If the angle bisector of angle A intersects BC at point D, and AD measures 8 units, what is the length of CD?