Question

Write the first six terms of the sequence.
a1 = 4, an = An-1 +5

Answer 1

{4, 9, 14, 19, 24}

Explanation:

Best to use the notation a(1) = 4, a(n) = a(n-1) + 5.

a(1) = 4 (given)

a(2) = 9 (here we found a(2) by adding the common difference, 5, to a(1)

a(3) = 14

a(4) = 19

a(5) = 24