Answer:
Cost price of the cattage is Rs.6857.142857...
 
        
             
        
        
        
The answer is 45 degrease
        
             
        
        
        
D: (-infinity, 0) U (0, infinity) because you cant have a zero in the bottom of the fraction
        
                    
             
        
        
        
Answer:
rate of change can be used in a real life problem such as the rate that a pool fills up with water.