f For the functions f(x)=2-x2 and g(x) = x+4x-32, find f+g, f-g, fg, and Determine the domain for each function. g (f+g)(x)=4x-30 (Simplify your answer.) What is the domain of f+g? Select the correct choice below and, if necessary, fill in the answer box to complete your choice. A. The domain of f+g is. (Use a comma to separate answers as needed.) OB. The domain of f+g is (Type your answer in interval notation.) OC. The domain of f+g is 0.