5280/25, ignoring the remainder, equals 211. That's the answer
        
                    
             
        
        
        
Answer:
Step-by-step explanation:
85
 
        
                    
             
        
        
        
First, let's expand the logarithms.

This because 

 is equivalent to 

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</span>From there, you need to use a calculator to find the exact numerical value. 
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Answer:
yes it is a function it passes the vertical line test