Formulas of a Sequence

Which of the following recursive formulas represents the given sequence.

Write the explicit formula for the sequence.

Write the explicit formula for the sequence.

Match the following sequences with their explicit formulas.

• 9, 36, 144, 576, ...

• 4, 13, 22, 31, ...

• 9, 5, 1, -3, ...

• 9, 14, 19, 24, ...

Simone's grandmother gives them $1000 to start a college fund. The grandmother will then add $200 each month if Simone adds $20 each month. What is a formula that would tell us the amount of money in the fund after x months? You do NOT need a_n in your formula.

Mathematical Equivalence

ON

Write the explicit formula for the sequence.

Write the explicit formula for the sequence.

Write the explicit formula for the sequence.

• 4, 36, 324, 2916

• 9, 36, 144, 576

• 9, 13, 17, 21

• 4, -5, -14, -23

• 4

• 1

• 18

• 114