Question 1011082:  State the explicit form of the pattern: 4, 9, 14, 19, ... 
 
 
 
 
A) 
  an = n + 5   
 
  
   
B) 
  an = 2n - 5   
 
  
   
C) 
  an = 2n - 1   
 
  
   
D) 
  an = 5n - 1   
 
 Found 2 solutions by  vleith, stanbon: Answer by vleith(2983)      (Show Source):  Answer by stanbon(75887)      (Show Source): 
You can  put this solution on YOUR website! State the explicit form of the pattern: 4, 9, 14, 19, ... 
When n = 1, a(1) = 5*1-1 
When n = 2, a(2) = 5*2-1 
When n = 3, a(3) = 5*3-1 
etc. 
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D) 
an = 5n - 1  
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Cheers, 
Stan H. 
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