Question

>>>Which of the following is the explicit formula for the sequence below?

8, 11, 14, 17, ...

A. an = 8 + 3n
B. an = 8 + (n - 1)3
C. an = 3 + (n - 1)8
D. an = 3 + 8n

Answer 1

It starts at \(8\) and every number afterward is \(3\) units greater. Assuming \(n\in\mathbb{N}\), \(a_n=8+3(n-1)\).

Answer 2

yup - its an arithmetic series

Answer 3

thankkkYOU guys:]