Which best describes the domain and range of the function y = 4x"? A) The domain is all real numbers greater than or equal to zero. The range is all real numbers, B) The domain is all real numbers greater than or equal to zero. The range is all real numbers greater than or equal to zero. C) The domain is all real numbers. The range is all real numbers greater than or equal to zero D) The domain is all real numbers. The range is all real numbers.