Consider the sequence given by a “plus 8” pattern: 2, 10, 18, 26, ….Shae says that the formula for the sequence is f(n) = 8n + 2. Marcus tells Shae that she is wrong because the formula for the sequence is f(n) = 8n − 6.
Write a formula for the sequence of cube numbers: 1, 8, 27, 64, ….