Answer:
Step-by-step explanation:
(f+g)(x) = f(x) + g(x) = 3x-1 +x²-6 
(f+g)(x) = x² +3x -5 .....( answer : B )
 
        
             
        
        
        
Answer:
(x, y) =(-1, - 1)
Step-by-step explanation:
-Substitute the value of x
-solve the equation
-Substitute the value of y
-check the possible solution 
-check solution
-simplify
 
        
             
        
        
        
Answer:
-x
Step-by-step explanation:
8x - 9x
Factor out an x
x(8-9)
x (-1)
-x