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Find a Formula For $a _ { n }$ For the Arithmetic Sequence

Question 23

Multiple Choice

Find a formula for $a _ { n }$ for the arithmetic sequence.
$a _ { 4 } = 10 , a _ { 8 } = 34$

A) $a _ { n } = - 8 + 6 n$
B) $a _ { n } = 14 - 8 n$
C) $a _ { n } = 6 - 8 n$
D) $a _ { n } = - 8 ( 6 ) ^ { n }$
E) $a _ { n } = - 14 + 6 n$

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