Question

Select the explicit expression for the sequence {4, 9, 14, 19...}.

f(n)=4+5(n−1)

f(1)=4, f(n)=f(n−1)+5 for n>1

f(1)=5, f(n)=f(n−1)+4 for n>1

f(n)=5+4(n−1)

Answer 1

Explanation:

f(n)=5+4(n−1)