Question
If $a_n=-2 n+7$ is the $n$th term of an arithmetic sequence, the first term is _________.(a) -2(b) 0(c) 5(d) 7
Step 1
Step 1: Identify the formula for the \( n \)th term of the arithmetic sequence, which is given as \( a_n = -2n + 7 \). Show more…
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