It’s a scalar value that can be computed from the elements of a square matrix and encodes certain properties of the linear transformation
        
                    
             
        
        
        
Answer:
A. Intermittent claudication is the correct answer. 
Explanation:
 
        
             
        
        
        
The stress? Bad eating habits due to lack of money and time? There could be lots of reasons but that's what came to mind first.