kabriella9o7 kabriella9o7 21-11-2022 Mathematics Answered f(x) = 3x² + 6x - 5 g(x) = 4x³ - 5x² +6 Find (f + g)(x). O A. (f+g)(x) = -4x³ + 8x² + 6x − 11 B. (f+g)(x) = 4x³ + 3x² + 11x + 1 O c. (f+g)(x) = 7x³ + x² + 1 O D. (f+g)(x) = 4x³ - 2x² + 6x +1