katewinnnnn katewinnnnn 13-02-2020 Mathematics contestada 6. f(x) = 4x2 + 2x – 7 and g(x) = 3x2 + x + 1, What is f(x) + g(x) a. 7x2 + 3x – 6 c. 7x2 + 3x - 8 b. 7x2 + 2x – 6 d. 7x2 + 3x - 7