Answer:
NO WAIT NO IGNORE MY PREVIOUS ANSWER 
NOT A FUNCTION
If you draw vertical lines on the dotted line, one line will intersect two parts of the dotted line, so it is not a function.
 
        
             
        
        
        
That answer I C. I hope this helps!!!!
        
             
        
        
        
14.14 cuz that’s the equation for diameter to circumference
 
        
                    
             
        
        
        
Answer:x is equal to 2. Hope this is helpful 
Step-by-step explanation:
 
        
                    
             
        
        
        
Answer:
6x +2x
Step-by-step explanation:
when the number= x, you can just form the equation as per usual. 6x = a number times 6; 2x = a number times 2.
x is used bc the number is an unknown value. only x can be used bc it is stated the same number. hsing different alphabets such as y or z indicates the unknown value ia different.