No it’s not the square root of 32 is 5.65685424949
        
                    
             
        
        
        
I think k equals negative 2, or -2.<span>
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Answer:
(a) 
(b) 
(c) At 4 weeks, when both will be seeing an average of 3 hours of TV.
Step-by-step explanation:
a) For the students, they start at X(0)=5 h and ΔX=-0.5 h/week.
We can write

 
b) For the professors, they start at X(0)=1 h and ΔX=+0.5 h/week.
We can write

c) The seew which they will be watching the same amount of hours will be the 4th week.

The amount of hours will be

 
        
             
        
        
        
The graph has to be a straight line that pass through the origin (0,0)