Follow the steps for graphing a rational function to graph the function R x choice x 9 x 6 3 x 6 OB R x is already in factored form What is the domain of R x Select the correct choice below and if necessary fill in the answer box to complete your choice CA R x x A R x x 3x 54 x 3x 18 OA xx2 Type an integer or a simplified fraction OB xx Type an integer or a simplified fraction C xlx 3 6 Type an integer or a simplified fraction Use a comma to separate answers as needed D The domain is the set of all real numbers Type your answer in factored form Do not simplify Write R x in lowest terms Select the correct choice below and if necessary fill in the answer box to complete your choice x 6 x 3 Simplify your answer 4