Question: If a n = -2n + 7 is the nth term of an arithmetic sequence, the first term is _____. (a) -2 (b) 0 (c)

If an = -2n + 7 is the nth term of an arithmetic sequence, the first term is _____.

(a) -2 

(b) 0 

(c) 5 

(d) 7

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