Find the minimum value of f(x1, x2, x3) = 14x, + 13x2 + 9xy subject to the following constraints. Write the exact answer. Do not round. If the function has no minimum value, write None. Answer x₁ + 4x₂ + 4xy 2 16 x₁ + 5x₂ + x3 2 12 5x₁ + x₂ + x3 24 Minimum value= Keypad Keyboard Shortcut

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