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avatar+1155 

Given: an=3+an−1 and  a1=5

What is the explicit rule for the arithmetic sequence?

 

an=−3n+2

an=3n+2

an=5n+3

an=2n+3

 Jan 8, 2019
edited by jjennylove  Jan 8, 2019
 #1
avatar+103138 
+5

Let's list the first few terms....

 

5 , 8, 11, 14....

 

So....the rule is

 

an = 3n + 2

 

 

cool cool cool

 Jan 8, 2019
edited by CPhill  Jan 8, 2019
 #2
avatar+1155 
+1

Yay! Thank you smiley

jjennylove  Jan 8, 2019
edited by jjennylove  Jan 10, 2019
 #4
avatar+1155 
0

Huh?

jjennylove  Jan 10, 2019

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