Answer:
D
Step-by-step explanation:
Because their are more than one ranges
 
        
                    
             
        
        
        
Answer:
hope its helpful to uh.......
 
        
             
        
        
        
The main rules that we use here are :
i) 

 for nonnegative values a and b.
ii) 

.
Thus, first 'decompose' the numbers in the radicals into prime factors:

.
By rule (i) we write:

.
We can collect these terms as follows:

, and by rule (ii) we have:

Answer: 

.
 
        
        
        
-10/8 and + 15/8. Those should work. 
 
        
             
        
        
        
The answer are B, D and F.
If you solve for x for B, D and F, you'll get (1/2,5)