R(x)=2√x s(x)=√x (rs)(4) = and (r/s)(3)=
       
      
                
     
    
    
    
    
    1 answer:
            
              
              
                
                
(rs)(4)=(2rootX)(rootX)
(rs)(4)=2x
(rs)(4)=8
(r/s)(3)=(2rootX)/(rootX)
(r/s)(3)=2
                                
             
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A and D are correct. If u don't know why look up the definitions of the triangles