Answer:
-2 Celsius >-5 Celsius is the answer.
 
        
                    
             
        
        
        
Answer:
7:yes
8:no
9:yes
10:sorry
Step-by-step explanation:
 
        
             
        
        
        
The slope f'(x) = [f(4) - f(2)]/(4-2)≥3,
so [f(4) - 13]/2 ≥3
f(4) -13 ≥ 6
f(4)≥19, so it can be as small as 19.
        
             
        
        
        
Answer:
B is correct
Step-by-step explanation: