What is the value of f(x) = 3x^2 - 2x + 5 when x = 2?
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Math question: In triangle ABC, angle BAC measures 40 degrees. The bisector of angle BAC intersects BC at point D. If AD measures 6 cm, what is the length of BD?
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What is the median of the data set {4, 7, 9, 12, 15}?