icarbs icarbs 10-11-2020 Mathematics contestada URGENT!!!if f(x) = -5^x - 4 and g(x) = -3x - 2, find (f+g)(x)A. (f+g)(x) = -5^x - 7x - 2B. (f+g)(x) = -5^x - 3x - 6C. (f+g)(x) = -8x - 6D. (f+g)(x) = 5^x + 3x + 6