Find the domain of the following function. X - 4 f(x) = x+6 Select the correct choice below, and if necessary, fill in the answer box to complete your choice. O A. (- 00,6) O B. all real numbers except x = O C. all real numbers O D. (-6,6)Find the domain of the function. g(x) = 15-x The domain of g(x) = 15 - x is . (Type your answer in interval notation.)Graph the function. f(x) = 2-2x if x