Option A is correct. Since the number of terms is positive values, hence the domain for the nth terms of the sequence must be positive integers.
Sequencesare series of numbers arranged in a definite pattern.
Assuming the sequence is an arithmetic sequence, the nth term is expressed as [tex]T_n = a+ (n-1)d[/tex]
n is the number of terms which is our concern in order to determine the nature of the domain.
- The domain is the input value "n" for which the expression exists.
Since the number of terms is positive values, hence the domain for the nth terms of the sequence must be positive integers.
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