How do you know if it is a function
       
      
                
     
    
    
    
    
    1 answer:
            
              
              
                
                
Answer: 
In a function the x can't repeat itself.
Step-by-step explanation:
 
                                
             
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That will be 10 and of 0.5
        
             
        
        
        
What do you think? Hint 6 pi
        
                    
             
        
        
        
Answer:
the answer is 1649
 
        
             
        
        
        
Answer:
-4
Step-by-step explanation:
Just add the 2 function
 
        
             
        
        
        
21.625 is your answer to 865/40