If the  -8 is under the square root, then...

OR
If the -8 is not under the square root, then...

Either way, we replace x with -3 and simplify. 
For more information, refer to the direct substitution rule for limits. 
 
        
             
        
        
        
6 | 16 is the correct answer I believe
        
             
        
        
        
Answer:
Answer is (d)
Step-by-step explanation:
4(2x - 7)
8x - 28