Answer:
B
Step-by-step explanation:
in table B if x = 1     y cannot equal both 1 and -1  
     no function can have x equal to two or more unique y's
     
 
        
             
        
        
        
Answer:
Use calculator
Step-by-step explanation:
Use your calculator, put the number in front of the square root, then use 2nd then hit the button below math to get the square root on your calculator.
 
        
             
        
        
        
Answer:
c) (-3s) - 9
Step-by-step explanation:
(-5s) + 2s - 9
-5s + 2s - 9 <== combine like terms
-3s - 9
Therefore, our answer is c.
Hope this helps!
 
        
                    
             
        
        
        
The last one + has an times eight