What are the explicit equation and domain for an arithmetic sequence with a first term of 8 and a second term of 5?

, domain ( -∞,∞).

Step-by-step explanation:

Given: An arithmetic sequence with a first term of 8 and a second term of 5.

To find : What are the explicit equation and domain

Solution : We have given that First term = 8.

Second term  =  5.

By the  explicit equation formula :

= the nth term in the sequence

.

= the first term in the sequence

n = the term number

d = the common difference.

Common difference  = second term - first term .

5 - 8 = -3

Then ,  .

.

.

Therefore,   and domain  domain ( -∞,∞).

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