The answer is D hope this helps
        
                    
             
        
        
        
Answer:
The temperature of metal after five years =  -18.96875 
Step-by-step explanation:
Given : Function 
where x is measured in hours 
Another function is added h(x)=-x-3
therefore, the resultant function f(x)=h(x)+c(x)

For x=5 



Therefore, The temperature of metal after five years =  -18.96875
 
        
                    
             
        
        
        
Answer:
<u>D.108</u> is correct.
Step-by-step explanation:
6*3 = 18
18*4 = 72
6*6 = 32
72 + 32 = 108
Have a nice day!
 
        
             
        
        
        
Answer:
0.015625
Step-by-step explanation:
 
        
                    
             
        
        
        
Answer:
3^2 + 4^2= 25
Step-by-step explanation: