Mathematics · Calculus

The minimum value of the function f(x, y) = xy + 3x + 9y for x > 0, y > 0 is:

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The minimum value of the function f(x, y) = xy + 3x + 9y for x > 0, y > 0 is:

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The minimum value of the function f(x, y) = xy + 3x + 9y for x > 0, y > 0 is:

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