Write an Expression for the Apparent $n$ Th Term of the Sequence

Multiple Choice

Write an expression for the apparent $n$ th term of the sequence. (Assume that $n$ begins with 1.)
$- 5 , - 2,1,4,7$

A) $a _ { n } = - 8 n + 3$
B) $a _ { n } = ( - 1 ) ^ { n } ( 3 n - 8 )$
C) $a _ { n } = 3 n$
D) $a _ { n } = 3 ^ { n } - 8$
E) $a _ { n } = 3 n - 8$