|  | Directions: These questions will ask you to write formulas for sequences. While one solution is offered, be aware that there are other notations and forms that may also be acceptable. 
 
 
              
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                    | 1.   | 
                      Given the sequence: {6, 16, 26, 36, ...}
 a) Write an explicit formula for this sequence.
 
 b) Write a recursive formula for this sequence.
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                    | 2.  | 
                      Given the following sequence: 
                        
                          | n | 1 | 2 | 3 | 4 | ... |  
                          | f (n) | 2 | 4 | 8 | 16 | ... |  
                        
                          a) 
                            Write an explicit formula for this sequence. 
                            
 
 
                          b) Write a recursive formula for this sequence.
                            
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                    | 3.  | 
                      An explicit formula for a sequence is f (n) = (-1)n • 2.
 
 
 
                        a) List the first 5 terms of this sequence.
                          
 
 
                         b) Write a recursive formula for this sequence.
                          
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                    | 4.  | 
                      Given the sequence: {1, 4, 9, 16, ...}a) Write an explicit formula for this sequence.
                         b)
  Write a recursive formula for this sequence.
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                    | 5.  | Given the sequence: {1, 5, 25, 125, ...}
 a) Write an explicit formula for this sequence.
 b) Write a recursive formula for this sequence.
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                    | 6.  | 
                      
                        
                          | Given the sequence: {10, 2, -6, -14, ...} 
 a) Write an explicit formula for this sequence.
 
 b) Write a recursive formula for this sequence.
 
 
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                    | 7.  |  
                      Given the sequence:  
 a) Write an explicit formula for this sequence.
 b) Write a recursive formula for this sequence.
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                    | 8.  | Given the sequence: a1 = 6 and an+1 = an + 4
 a) List the first 5 terms of this sequence.
 b) Write an explicit formula for this sequence.
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                    | 9.  | Given the sequence: a1 = -20 and an= an-1 ÷ 2
 a) List the first 5 terms of this sequence.
 b) Write an explicit formula for this sequence.
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                    | 10.  | Given:      f (1) = 3 and f (n) = f (n-1) + 2 
 a) List the first 5 terms of this sequence.
 b) Write an explicit  formula for this sequence.
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