Livingflamingshadowgo Livingflamingshadowgo Mathematics Answered Question 3 of 10 For f(x) = 3x+1 and g(x)=x²-6, find (ƒ + g)(x). OA. x² + 3x-5 OB. 3x² -17 O. C. 3x³-5 OD. x² + 3x +7