that is not a function, because there are two outputs for three. two inputs can have one output, but one input cant have two outputs.
 
        
             
        
        
        
Answer:
um
Step-by-step explanation:
 
        
             
        
        
        
Answer:
B
Step-by-step explanation:
Let me know if you need an explanation.
 
        
                    
             
        
        
        
Imma say i just took like 15 min doing this so when i did q20 d28 n36 i got 9.60 but when i did q19 d26 n34 i got 9.05 so pick your choice