Question

Write the first 4 terms of the sequence defined by the given rule. f(n) = n^3 -1

Answer 1

0, 7, 26, 63

Explanation:

1st term: f(1) = 1^3 - 1 = 0

2nd term: f(2) = 2^3 - 1 = 8 - 1 = 7

3rd term: f(3) = 3^3 - 1 = 27 - 1 = 26

4th term: f(4) = 4^3 - 1 = 64 - 1 = 63