Fireladyfox123id Fireladyfox123id Mathematics Answered Perform the requested operation or operations. F(x)=4x+9, g(x)=4x^2 Find (f+g)(x) A) 16x^3 +36x B) 4x+9/4x^2 C) 4x+9-4x^2 D)4x+9+4x^2