Answer:
The rate of change: 1/5
Initial value: (0,-1)
Step-by-step explanation:
The rate of change is easily 5/25, we just have to simplify it to 1/5.
To get the intial value, just subtract (2,9) by the rate of change twice.
 
        
             
        
        
        
3.625 is the answer. Enjoy!
        
                    
             
        
        
        
%66.666 
Because 4/6 times it will be that which is %66.666