Answer:
The Answer is B.
Step-by-step explanation:
 
        
             
        
        
        
2x-4(x+1)=-13
1) we solve this equation:
2x-4(x+1)=-12
2x-4x-4=-12
-2x=-12+4
-2x=-8
x=-8/-2
x=4
2) we evalute x²-1
x²-1=4²-1=16-1=15
Answer: 15
        
             
        
        
        
Answer:
I don't see any choices but I think the axis of symmetry is x=-6.
Step-by-step explanation:
 
        
             
        
        
        
Step-by-step explanation:
7(4x + 9) - 4
= (7 × 4x) + (7 × 9) - 4
= 28x + 63 - 4
= <u>28x + 59</u>
So, 7(4x + 9) - 4 is equivalent to 28x + 59 (D) 
<em>Hope </em><em>it </em><em>helpful </em><em>and </em><em>useful </em><em>:</em><em>)</em>