Question

Give the formula for finding the 'nth term' for this specific arithmetic sequence: 5, 8, 11, 14... (Be sure to fill in numbers for A(1) and d)

Answer 1

9514 1404 393

Answer:

A(n) = 5 +3(n -1)

Explanation:

The first term is ...

A(1) = 5

The common difference is ...

d = 8 - 5 = 3

Then the desired formula is ...

A(n) = A(1) +d(n -1)

A(n) = 5 +3(n -1)