Question

What's the answer to this question ?

Answer 1

`a_(n) = 6(2)/(3) + (1)/(3)(n - 1)`

`a_(89) = 6(2)/(3) + (1)/(3)(89 - 1)`

`a_(89) = 6(2)/(3) + (1)/(3)(88)`

`a_(89) = 6(2)/(3) + 29(1)/(3)`

`a_(89) = 36`

The answer is B.