Answer:
It is natural
Step-by-step explanation:
 
        
             
        
        
        
Answer:
A.  
B. The y intercept is 4.8
Step-by-step explanation:
Given

Solving (a): Write as a function.
To do this, we simply substitute f(n) for 
 becomes
 becomes

Open Bracket

Collect Like Terms


B. The y intercept.
To get the y intercept, we set n to 0
i.e



Hence, the y intercept is 4.8
 
        
             
        
        
        
Solution to equation for all real values of x is
 for all real values of x is   .
 .
<u>Step-by-step explanation:</u>
Here we have ,  . Let's solve :
. Let's solve :
⇒  
⇒  
⇒  
⇒  
⇒  
⇒  
By quadratic formula :
⇒ 
⇒ 
⇒ 
⇒ 
⇒ 
⇒ 
But at  we have equation undefined as
 we have equation undefined as  . Hence only solution is :
 . Hence only solution is :
⇒ 
Since , 
⇒ 
Now , General Solution is given by :
⇒ 
Therefore , Solution to equation for all real values of x is
 for all real values of x is   .
 .
 
        
             
        
        
        
There will be 45,600 bacteria present after 19 hours
        
             
        
        
        
Answer: HI ; ) Im ready......Okay whats the question?
Step-by-step explanation: