An arithmetic sequence has the explicit formula an = 7n - 17.
What is the value of a1?
⇒ -10
Which is the recursive formula for this arithmetic sequence?
an = an - 1 + 7 where a1 = -10
an = an - 1 + 17 where a1 = -10
an = 7an - 1 - 17 where a1 = -10
an = an - 1 - 7 where a1 = -10