Answer:
( f o f )(x) = f ( f (x))
    = f (2x + 3)
    = 2(           ) + 3    ... setting up to insert the input
    = 2(2x + 3) + 3
    = 4x + 6 + 3
    = 4x + 9Step-by-step 
explanation:
 
        
                    
             
        
        
        
Answer:
6
/5
Step-by-step explanation:
 
        
                    
             
        
        
        
The answer is D
Hope this helps
        
             
        
        
        
<u>ANSWER</u>

<u>EXPLANATION</u>
The given series 

This is an arithmetic series with a common difference of 

The first term of the series is:

The general term is given by:

 



The last term is 81
We can use this to determine the number of terms in the series.




The summation notation is:

 
        
             
        
        
        
A. 260
Explanation
Step 1
Let

as we can see
the total of green-one headed jolo is 170
and the total for one headed jolo is =430
so, the one-headed in counted twice

so, the answer is
A.260
I hope this helps you