Asked by Ash
find a general term for the sequence
a1,a2,a3,a4.....
15,23,31,39
a1,a2,a3,a4.....
15,23,31,39
Answers
Answered by
Reiny
notice that they increase by 8
so
t(n) = 8n + b
when n=1 we want that to be 15
15 = 8+b
b = 7
term(n) = 8n + 7
check :
t(4) = 8(4) + 7 = 39 , looks good!
so
t(n) = 8n + b
when n=1 we want that to be 15
15 = 8+b
b = 7
term(n) = 8n + 7
check :
t(4) = 8(4) + 7 = 39 , looks good!
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