HW Sc = Homework: Section 4.2 Homework < Question 3, 4.2.3 > O Po X-5 What is the domain of f(x)= ? x+6x-16 Select the correct choice below and, if necessary, fill in the answer box(es) to complete your choice. OA. The domain is {x | x.x*| (Simplify your answer. Use a comma to separate answers as needed.) OB. The domain is {x | x}. (Simplify your answer. Use a comma to separate answers as needed.) OC. The domain is {x | x XS x}. (Simplify your answer. Use a comma to separate answers as needed.) OD. The domain is {x} (Simplify your answer. Type an inequality. Use a comma to separate answers as needed.) OE. The domain is the set of all real numbers.