Question 120256
Using the following sequence (-1,-5,-9,-13,...) find the function tn.
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Since the common difference is d = -4 and since a(1)=-1,
a(n) = -1 + (n-1)(-4)
a(n) = -1 -4n+4
a(n) = 3-4n
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Cheers,
Stan H.