Answer :

i believe that the answer is All integers where n [tex] \geq [/tex] 1
                                               

Answer: The set of domain for n is [tex]\{n\ \epsilon\ N:n\geq 1\}[/tex]

Step-by-step explanation:

Since we have given that

[tex]a_n=-3+(n-1)9[/tex]

And it is the arithmetic sequence.

So, The domain of a function is the complete set of all the possible values of n (i.e. independent variables).

So, we can put the value of n : 1 and greater than 1.

So, the set of domain for n is given by

[tex]\{n\ \epsilon\ N:n\geq 1\}[/tex]

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