If P --> Q is an existing functional dependency, which of the following is NOT an augmented functional dependency? OPA --> Q O P. X. Y --> Q OP.X --> O Q -->P OP.A-->P Question 7 1 If p --> --> Q and Q --> P are existing functional dependencies, which of the following are equivalent functional dependencies? OP.X --> Q and PX -> X O None of the above OP..> Q and Q>Y OP --> X and P.-> Y O All of the above