Answer:
greater than
Step-by-step explanation:
 
        
                    
             
        
        
        
Answer:
   a) (f+g)(x) = 6x^2 +6x -10
   b) (f-g)(x) = 6x^2 -2x -4
Step-by-step explanation:
a. (f+g)(x) = f(x) +g(x) = (6x^2 +2x -7) +(4x -3)
   (f+g)(x) = 6x^2 +6x -10
__
b. (f-g)(x) = f(x) -g(x) = (6x^2 +2x -7) -(4x -3)
   (f-g)(x) = 6x^2 +2x -7 -4x +3
   (f-g)(x) = 6x^2 -2x -4