Answer:
an = -1.3n -2.4
Explanation:
The formula for an arithmetic sequence is
an = a1 +d (n-1)
where a1 is the first term and d is the common difference
an = -3.7 - 1.3(n-1)
Distribute
an = -3.7 -1.3n +1.3
an = -2.4 - 1.3n
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