xxplatinumking1xx xxplatinumking1xx 07-07-2021 Mathematics contestada Let f(x) = 4x - 5 and g(x) = 3x + 7. Find f(x) + g(x) and state its domain. 7x - 12; all real numbers 7x + 2; all real numbers x + 2; all real numbers X - 12; all real numbers