Identify the Sequence 4 , 9 , 14 , 19 , 24

$4$ , $9$ , $14$ , $19$ , $24$

Step 1

This is an arithmetic sequence since there is a common difference between each term. In this case, adding $5$ to the previous term in the sequence gives the next term. In other words, $a_{n} = a_{1} + d (n - 1)$ .

Arithmetic Sequence: $d = 5$

Step 2

This is the formula of an arithmetic sequence.

$a_{n} = a_{1} + d (n - 1)$

Step 3

Substitute in the values of $a_{1} = 4$ and $d = 5$ .

$a_{n} = 4 + 5 (n - 1)$

Step 4

Simplify each term.

Apply the distributive property.

$a_{n} = 4 + 5 n + 5 \cdot - 1$

Multiply $5$ by $- 1$ .

$a_{n} = 4 + 5 n - 5$

Step 5

Subtract $5$ from $4$ .

$a_{n} = 5 n - 1$

Identify the Sequence 4 , 9 , 14 , 19 , 24

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