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The explicit rule for a sequence is given.

 

an=3n+1

 

What is the recursive rule for the sequence?

 

 Mar 23, 2020
 #1
avatar+111330 
+2

a1  = 3(1)  + 1    =  4

a2  = 3(2) + 1  =    7 =     a1  + 3

Note that we are adding 3 to every previous term to get the  next term

 

So

 

a1  = 4     and the rule  is   an  =  an-1 + 3

 

 

cool cool cool

 Mar 23, 2020
 #2
avatar+1970 
0

Nice, Chris!!!

CalTheGreat  Mar 23, 2020

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