Let's consider that number to be 'x'..
So, twice the number (2x) is 12 greater than than the half of the number.
So the equation will be like, 
2x=12+x/2
Solving this further, 
2x=(24+x)/2
=> 4x=24+x
=>4x-x=24
=>3x=24
=>x=8..
So the number is "8".
        
             
        
        
        
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If the radicand is even is the answer. Hope this helped could I possibly get brainliest?
 
        
                    
             
        
        
        
Answer:
1. nonlinear
2. linear
Step-by-step explanation: