Write an Expression for the Nth Term of the Sequence $a_ { n } = 1 - 3 ^ { n }$

question 30

Multiple Choice

Write an expression for the nth term of the sequence 2, 8, 26, 80, ....

• A) \(a_ { n } = 1 - 3 ^ { n }\)
• B) \(a _ { n } = 4 ^ { n } + 1\)
• C) \(a _ { n } = 3 ^ { n } - 1\)
• D) \(a _ { n } = 4 ^ { n } - 5\)
• E) \(\alpha _ { n } = 1 + 3 ^ { n }\)