Write the first four terms for each sequence. State whether the sequence is arithmetic, geometric, or neither.
(a) $a_{n}=3 n-7$
(b) $a_{n}=\left(-\frac{3}{5}\right)^{n-1}$
(c) $a_{1}=4, a_{2}=6, a_{n}=2 a_{n-1}+a_{n-2}$, for $n \geq 3$

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The Answer of Write the first four terms for each sequence. State whether the sequence is arithmetic, geometric, or neither.
(a) $a_{n}=3 n-7$
(b) $a_{n}=\left(-\frac{3}{5}\right)^{n-1}$
(c) $a_{1}=4, a_{2}=6, a_{n}=2 a_{n-1}+a_{n-2}$, for $n \geq 3$

Write the First Four Terms for Each Sequence an=3n−7a_{n}=3 n-7an​=3n−7 (B) an=(−35)n−1a_{n}=\left(-\frac{3}{5}\right)^{n-1}an​=(−53​)n−1

Write the First Four Terms for Each Sequence $a_{n}=3 n-7$ (B) $a_{n}=\left(-\frac{3}{5}\right)^{n-1}$