The last answer, because the class is being divided into four groups. So the class number is not known, thus it is represented by “w” and divided by four.
 
        
             
        
        
        
Given:
The rule of input and output function is:

To find:
The answer if we put 19.
Solution:
Consider the input and output function is:

Substitute  , we get
, we get


Therefore, the required answer is 6.
 
        
             
        
        
        
I can’t really help you I’m sorry I don’t really know the answer but I do need points thank you byeAdios
        
                    
             
        
        
        
Answer:
Step-by-step explanation:
- add hen sub ten bom anwwer