Answer: $0
Step-by-step explanation:
every six months means the game loses 25%*2 per year = 50%
2 years would be 50%*2 = 100% 
Therefore, if the game loses 100% of its value in 2 years, it will be free.
 
        
             
        
        
        
Answer: 30.048
Try a calculator, it can help a lot!
 
        
             
        
        
        
B.1/6 
i think that's the answer <span />
        
                    
             
        
        
        
The domain is all real numbers, since x can be any number and create a y value
This can be written in a few ways, including:
X:X
X: R
-(infinity sign) is less than or equal to X is less than or equal to (infinity sign)