Find the values x1 x2 and x3 that maximize f x1 x2 x3 3x 4x2 2x3 subject to the following constraints Write the exact answer Do not round If the function has no maximum value write None If infinitely many values maximize the function write Inf Answer x 4x1 5x 2x3 2 2x1 2x2 4x3 2 Keypad Keyboard Shortce Tables