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Mathematics 9 Online
bill533:

Find the 7th term for the sequence with the given formula. tn= n^2 – 3 A. 11 B. 4 C. 39 D. 46

AngeI:

It says 7th So do we have the other numbers?

bill533:

no

AngeI:

Oh um @gdeinward Thoughts?

bill533:

@mhchen

12123333333333333333:

Use https://www.desmos.com/calculator

12123333333333333333:

It might help.

12123333333333333333:

is it t(n)? or just tn?

bill533:

TN

12123333333333333333:

hmmmmmmm idk...sorry!

dude:

This is an arithmetic sequence, not a graph \(t_n= n^2 – 3\) I mean you just have to substitute 7 into the equation (in for n)

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