Answer:
I do not know
Step-by-step explanation:
 
        
             
        
        
        
I believe its the second one because it say four times the number wich the number is the y and it is = too the number wich is y and increased going up are adding by 9. hope that helped.
        
                    
             
        
        
        
It's function use the equation with numbers they provided you if they did not use -2,-1,0,1,2 for input and use equation to find output.
        
             
        
        
        
87oz - 80oz = 7oz
7oz/80oz = 0.0875
0.0875 x 100% = 8.75%
Ashley increased her water intake by 8.75%.