Answer:
Part A: after 9 days the radius of the algae would be 12.81mm so the domain is 9. you would plot the domain at (0,9)
Part B: the y-intercept (the 9) represents the amount of algae the experiment started off with.
Part C: the rate of change is 0.
Step-by-step explanation:
 
        
             
        
        
        
Answer:
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Step-by-step explanation:
 
        
             
        
        
        
20.75 because if you add 4.85+7.95+7.95 add that you get 20.75
        
             
        
        
        
Answer: The answer is 1 =n and my work is in the bottom and hope this help :)
Step-by-step explanation:
5n+7=7(n+l)-2n distributive property
5n+7=7n+7-2n  Combines Like Term
5n+7= 12n  subtract 5n to both side 
-5n      -5n 
     7 = 7n   divide 7n to both side 
      7    7
         1=n 
      
 
        
             
        
        
        
Answer:
A: positive B: Negative C: Positive
Step-by-step explanation: