Question

If a sequence is defined by the recursive formula an = a(n-1) + 3 with a1 = 2, what is a3?

Answer 1

a₃ = 8

Explanation:

given the recursive formula
`a_(n)` =
`a_(n-1)` + 3 , with a₁ = 2 , then

a₁ = 2

a₂ = a₁ + 3 = 2 + 3 = 5

a₃ = a₂ + 3 = 5 + 3 = 8