Answer:
= 8n - 19
Explanation:
The explicit formula for an arithmetic sequence is
= a₁ + (n - 1)d
where a₁ is the first term and d the common difference
Here a₁ = - 11 and d = - 3 - (- 11) = - 3 + 11 = 8, thus
= - 11 + 8(n - 1) = - 11 + 8n - 8 = 8n - 19