Given the sequence below, and that sequence has a domain of n ≥ 1, find the fifth term.

Question

f(n) = n² - 3

A. 5

B. 22

C. 4

D. 25

Answer 1

f(n) = n² - 3 domain of n ≥ 1

n has to start at 2 to satisfy n≥1

So n will be 1 2 3 4 5

With n=5, 25 - 3 = 22

Answer B is correct.