The rate law for the reaction, A+B→C+D, is rate=k[A][B]. Which of the following is true?

The rate law for the reverse reaction is the same but with a change in the sign.
The rate law for the reverse reaction must be determined experimentally.
The rate law for the reverse reaction is rate=k[C][D]. T
he rate law for the reverse reaction is rate=k-1[C][D].