Question

Use function notation to write a recursive formula to represent the sequence: 4, 8, 12, …

Answer 1

• f(1) = 4
• f(n) = f(n - 1) + 4

Explanation:

Given the sequence:

• 4, 8, 12, …

The first term is 4 and common difference is 4

Recursive formula:

• f(1) = 4
• f(n) = f(n - 1) + 4