Use the recursive function for the geometric sequence 2,-6,18 and -54 to represent the 9th term
       
      
                
     
    
    
    
    
    2 answers:
            
              
              
                
                
Answer:
A
Step-by-step explanation:
A recursive formula allows the term in a sequence to be obtained from the previous term.
To find any term in the sequence multiply the previous term by the common ratio r
r = - 6 ÷ 2 = 18 ÷ - 6 = - 3
Thus the 9 th term can be found using
f(9) = f(8) × - 3 = - 3f(8) → A
 
                                
             
                    
              
              
                
                
Use the recursive function for the geometric sequence 2,-6,18 and -54 to represent the 9th term
Answer:
f(9)=f(8)•(-3)
 
                                
             
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