HELPP CAN YOU HELP ME PLZ IF U SOLVE THIS U WILL GET 50+ EXTRA POINTS AND BRAINLIEST HELP        
      
                
     
    
    
    
    1  answer:
            
              
Answer: 
Yes it is a function 
Step-by-step explanation: 
It is a function because a mapping diagram can be used to represent a relationship between input values and output values. A mapping diagram represents a function if each input value is paired with only one output value.
Brainliest plz?
 
                                
             
         	
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Answer: 
x=ln(41)/ln(243)
Step-by-step explanation: 
20(3)^5x=820
3^5x=820/20
3^5x=41
5x=ln(41)/ln(3)
x=(1/5)[ln(41)/ln(3)]
x=ln(41)/ln(3^5)
x=ln(41)/ln(243)