math
posted by Help me plz .
find the general term of the arithmetic sequence 3,1 ,5 ,9

Each is 4 less than the one before.

the choices are an=7+4n , an=74n , an=3+4n, an=34n
is it an=34n ? 
are you there?

Yes. 3  4n

thank you

You're welcome.
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