Select the First Five Terms of the Sequence Defined Recursively $a _ { 1 } = 9 , a _ { k + 1 } = a _ { k } + 3$

question 139

Multiple Choice

Select the first five terms of the sequence defined recursively.Use the pattern to write the nth term of the sequence as a function of n.(Assume that n begins with 1.) $a _ { 1 } = 9 , a _ { k + 1 } = a _ { k } + 3$

• A) \(\begin{array} { l }
• 9,12,15,18,21 \\
• a _ { n } = 3 n + 3
• \end{array}\)
• B) \(\begin{array} { l }
• 9,12,15,18,21 \\
• a _ { n } = 6 n + 3
• \end{array}\)
• C) \(\begin{array} { l }
• 9,12,15,18,21 \\
• a _ { n } = 3 n + 6
• \end{array}\)
• D) \(\begin{array} { l }
• 9,12,15,18,21 \\
• a _ { n } = 6 n - 3
• \end{array}\)
• E) \(\begin{array} { l }
• 9,12,15,18,21 \\
• a _ { n } = 3 n - 6
• \end{array}\)

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