Mathematics, 30.10.2020 20:20 smorze

Find a formula for the nth term in this arithmetic sequence:
a1 = 7, a2 = 4, a3 = 1, a4 = -2, ...
an = [ ? ]n + [
]

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Find a formula for the nth term in this arithmetic sequence:
a1 = 7, a2 = 4, a3 = 1, a4 = -2,...