Answer:
Answer is below
Step-by-step explanation:
Yes, the graph would still be a function, but a different function than if the values were all different. This would cause two of the values to be the same and have no slope on the line. Before, the function was quadratic, but now it would be quadratic until the two values are equal. 
 
        
             
        
        
        
Answer: x = (cd + by) / a
Working out:
(ax - by) / c = d
1)Multiply by c on both sides to get:
ax - by = cd
2) Add by on both sides to get:
ax = cd + by
3) divide by a on both sides to get:
x = (cd + by) / a
        
             
        
        
        
Answer:
exact form 3/2 decimal  form 1.5 mixed number form 1 1/2
Step-by-step explanation:
 
        
                    
             
        
        
        
Answer:
divide by 2
Step-by-step explanation: