For 

 to be continuous at 

, we need to have

Note that 

 means that 

, but that 

 is *approaching* 5. We're told that for 

, we have

We can write

and the limit would be

and so 

 is discontinuous.
 
        
        
        
Answer:
Step-by-step explanation:
a+s=14
a=14-s
a+8s=56, using a from above in this equation gives
14-s+8s=56
14+7s=56
7s=42
s=6
a=14-s
a=14-6=8
So student tickets cost $6 and adult tickets cost $8.
 
        
             
        
        
        
Answer: 12+4+4
Step-by-step explanation:
Because if you add those together you get 20 miles per hour
 
        
             
        
        
        
Answer:
Step-by-step explanation:
circumference = 2 r
r
= 2 × 3.14 × 50
= 31.4 mm
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