Question

0, 3, 8, 15... Generalize the pattern by finding the nth term.

a. n2/n
b.2n - 2
c.n2 - 1
d.n3 - 5

Answer 1

We have:
3 = 2^2 - 1;
8 = 2^3 - 1;
15 = 2^4 - 1;
_ _ _ _ _ _

The correct answer is c. n^2 - 1;