Given 

To obtain the minimum value of y, we first take the derivative of y
The derivative of y is:

Equating 

gives the minimum value we require.
Doing that, we have:

So that

Therefore, the minimum value is x = 3
 
        
             
        
        
        
You would be able to buy 5 packages 5×8=40 and 40÷8=5
        
             
        
        
        
Answer:
True 
Step-by-step explanation:
Some of our energy comes from electrical power plants 
 
        
                    
             
        
        
        
Answer:
D. The range stays the same, but the domain changes
Step-by-step explanation:
 
        
             
        
        
        
148 you can use that as your answer